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.
[[30, -137, -34, -74, -127, 47], [4, -135, -62, -31, -64], [92, -178, -136], [45, -169, -134, -128, 54, 90, 94]]