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.
[[-53, -166, -63, 44, -37, -88], [-91, -83, 89, 5, -85, -138, 56], [-120, -40, -100, 9, -107, -178], [-183, -73, -46]]