In this task, you are given a list. This list contains many lists of integers. The list is several items written within a []. Your task is to find the maximum number among the members of each inner list. The output should be a list comprised of the maximums with the same order as the internal lists.
[[-26, -99, -129, -76, 90, -105, -138], [-139, -65, -185, 64, -154, -99], [-19, 72, -70, -30, -199, -47], [-159, -109, 51], [-126, 27, -102, 55]]