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.
[[55, -194, -189, -72, -147, -30], [56, -8, -190, -123, -89, -59, -62], [12, -55, -119, 4, -28, -18]]