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.
[[75, -18, -107, -28], [-126, -4, -192, -170, -37, -76, -170], [66, -100, -147, -14, -172, -102, 74], [-61, -59, -116], [-32, -180, -34, 21, 28], [-46, -81, 60, 9, 69, 45]]