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.
[[90, -153, -39, -89, -53], [84, 83, -194, -167, -33, -29], [98, -59, 50, -89, -94], [-90, -90, -55, -103, 86, -18, -45]]