Please read the following table in HTML format from a webpage and then answer the question in detail according to the table. Each table cell is defined by a <td> and a </td> tag. Each table row starts with a <tr> and ends with a </tr> tag. 'rowspan=m' and 'colspan=n' represents a cell spaning over 'm' rows and 'n' columns.

Webpage title:
42nd United States Congress
Table title:
House of Representatives
Table:
<table id='hittask' contenteditable='False'>
<tr> <th colspan=1 rowspan=1 > District </th><th colspan=1 rowspan=1 > Vacator </th><th colspan=1 rowspan=1 > Reason for change </th><th colspan=1 rowspan=1 > Successor </th><th colspan=1 rowspan=1 > Date of successor's formal installation </th></tr>
<tr> <td colspan=1 rowspan=1 > District of Columbia At-large </td><td colspan=1 rowspan=1 > New seat </td><td colspan=1 rowspan=1 > District of Columbia's At-large district created March 4, 1871, and remained vacant until April 21, 1871 </td><td colspan=1 rowspan=1 > Norton P. Chipman (R) </td><td colspan=1 rowspan=1 > April 21, 1871 </td></tr>
<tr> <td colspan=1 rowspan=1 > Illinois At-large </td><td colspan=1 rowspan=1 > Vacant </td><td colspan=1 rowspan=1 > Rep. John A. Logan resigned at the end of the previous congress after being elected to the US Senate </td><td colspan=1 rowspan=1 > John L. Beveridge (R) </td><td colspan=1 rowspan=1 > November 7, 1871 </td></tr>
<tr> <td colspan=1 rowspan=1 > Michigan 4th </td><td colspan=1 rowspan=1 > Vacant </td><td colspan=1 rowspan=1 > Rep. Thomas W. Ferry resigned at the end of the previous congress after being elected to the US Senate </td><td colspan=1 rowspan=1 > Wilder D. Foster (R) </td><td colspan=1 rowspan=1 > December 4, 1871 </td></tr>
<tr> <td colspan=1 rowspan=1 > Illinois 6th </td><td colspan=1 rowspan=1 > Burton C. Cook (R) </td><td colspan=1 rowspan=1 > Resigned August 26, 1871 </td><td colspan=1 rowspan=1 > Henry Snapp (R) </td><td colspan=1 rowspan=1 > December 4, 1871 </td></tr>
<tr> <td colspan=1 rowspan=1 > Louisiana 4th </td><td colspan=1 rowspan=1 > James McCleery (R) </td><td colspan=1 rowspan=1 > Died November 5, 1871 </td><td colspan=1 rowspan=1 > Alexander Boarman (LR) </td><td colspan=1 rowspan=1 > December 3, 1872 </td></tr>
<tr> <td colspan=1 rowspan=1 > Massachusetts 9th </td><td colspan=1 rowspan=1 > William B. Washburn (R) </td><td colspan=1 rowspan=1 > Resigned December 5, 1871, after being elected Governor of Massachusetts </td><td colspan=1 rowspan=1 > Alvah Crocker (R) </td><td colspan=1 rowspan=1 > January 2, 1872 </td></tr>
<tr> <td colspan=1 rowspan=1 > Arkansas 3rd </td><td colspan=1 rowspan=1 > John Edwards (LR) </td><td colspan=1 rowspan=1 > Lost contested election February 9, 1872 </td><td colspan=1 rowspan=1 > Thomas Boles (R) </td><td colspan=1 rowspan=1 > February 9, 1872 </td></tr>
<tr> <td colspan=1 rowspan=1 > Massachusetts 7th </td><td colspan=1 rowspan=1 > George M. Brooks (R) </td><td colspan=1 rowspan=1 > Resigned May 13, 1872, after becoming judge of probate for Middlesex County </td><td colspan=1 rowspan=1 > Constantine C. Esty (R) </td><td colspan=1 rowspan=1 > December 2, 1872 </td></tr>
<tr> <td colspan=1 rowspan=1 > Texas 3rd </td><td colspan=1 rowspan=1 > William T. Clark (R) </td><td colspan=1 rowspan=1 > Lost contested election May 13, 1872 </td><td colspan=1 rowspan=1 > Dewitt C. Giddings (D) </td><td colspan=1 rowspan=1 > December 13, 1872 </td></tr>
<tr> <td colspan=1 rowspan=1 > Ohio 1st </td><td colspan=1 rowspan=1 > Aaron F. Perry (R) </td><td colspan=1 rowspan=1 > Resigned July 14, 1872 </td><td colspan=1 rowspan=1 > Ozro J. Dodds (D) </td><td colspan=1 rowspan=1 > October 9, 1872 </td></tr>
<tr> <td colspan=1 rowspan=1 > Georgia 4th </td><td class="highlighted"  colspan=1 rowspan=1 > Thomas J. Speer (R) </td><td class="highlighted"  colspan=1 rowspan=1 > Died August 18, 1872 </td><td class="highlighted"  colspan=1 rowspan=1 > Erasmus W. Beck (D) </td><td class="highlighted"  colspan=1 rowspan=1 > December 2, 1872 </td></tr>
<tr> <td colspan=1 rowspan=1 > Connecticut 1st </td><td colspan=1 rowspan=1 > Julius L. Strong (R) </td><td colspan=1 rowspan=1 > Died September 7, 1872 </td><td colspan=1 rowspan=1 > Joseph R. Hawley (R) </td><td colspan=1 rowspan=1 > December 2, 1872 </td></tr>
<tr> <td colspan=1 rowspan=1 > Pennsylvania 13th </td><td colspan=1 rowspan=1 > Ulysses Mercur (R) </td><td colspan=1 rowspan=1 > Resigned December 2, 1872, after becoming an assoc. justice of the Supreme Court of Pennsylvania </td><td colspan=1 rowspan=1 > Frank C. Bunnell (R) </td><td colspan=1 rowspan=1 > December 24, 1872 </td></tr>
<tr> <td colspan=1 rowspan=1 > Illinois At-large </td><td colspan=1 rowspan=1 > John L. Beveridge (R) </td><td colspan=1 rowspan=1 > Resigned January 4, 1873, after being elected Lieutenant Governor of Illinois </td><td colspan=1 rowspan=1 > Vacant </td><td colspan=1 rowspan=1 > Not filled this term </td></tr>
<tr> <td colspan=1 rowspan=1 > South Carolina 2nd </td><td colspan=1 rowspan=1 > Robert C. De Large (R) </td><td colspan=1 rowspan=1 > Seat declared vacant January 24, 1873, after election was contested by Christopher C. Bowen </td><td colspan=1 rowspan=1 > Vacant </td><td colspan=1 rowspan=1 > Not filled this term </td></tr>
<tr> <td colspan=1 rowspan=1 > Florida At-large </td><td colspan=1 rowspan=1 > Josiah T. Walls (R) </td><td colspan=1 rowspan=1 > Lost contested election January 29, 1873 </td><td colspan=1 rowspan=1 > Silas L. Niblack (D) </td><td colspan=1 rowspan=1 > January 29, 1873 </td></tr>
</table>
Question:
What change took place with Georgia's 4th district's representative for the 42nd United State Congress?
Answer:
Thomas J. Speer (R) served as Georgia's 4th district's representative until his death on August 18, 1872, in a seat that was later filled by Erasmus W. Beck (D) beginning on December 2, 1872.