To find the time of the person who came in second place, we need to identify the second lowest time among the times provided. The times of the swimmers are:
- 69.28 seconds
- 74.5 seconds
- 75.4 seconds
- 69.15 seconds
Let's arrange these times in increasing order:
- 69.15 seconds (1st place)
- 69.28 seconds (2nd place)
- 74.5 seconds (3rd place)
- 75.4 seconds (4th place)
The second place time is 69.28 seconds.
Thus, the time of the person who came in second place is 69.28 seconds.