Add spaces: Egmontrealiseditshighestrevenuetodatein2015.

Answer: Egmont realised its highest revenue to date in 2015.

Add spaces: 4643morepost-graduatestudents.

Answer: 4643 more post-graduate students.

Add spaces: 19maintainingfaithandagoodconscience;which[last]some,havingputaway,havemadeshipwreckastofaith;

Answer:
19 maintaining faith and a good conscience; which [last] some, having put away, have made shipwreck as to faith;