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.
[[-32, -187, -44, -109], [-130, -133, 41, -65, 59, -159, 86], [-104, -150, -6, -59, 56], [-68, -62, -128]]