Question: By how much did Peter Vanderkaay secure the fourth place ahead of Tunisia's Oussama Mellouli and what record did Oussama Mellouli establish?
Answer: Peter Vanderkaay delivered a swim with a fourth-place effort in 3:43.11, 0.35 of a second ahead of Tunisia's Oussama Mellouli who established a African record of 3:43.45.