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.
[[28, -121, -1, 12], [32, 79, 6], [-25, 53, 57, 8, -7, -58], [-62, 11, -177, -65, 53, 17, 78], [-173, -144, 3, -146]]