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.
[[78, 4, -107, -29], [-179, 86, -55], [67, -19, -31, -139, -153], [12, -41, -144, 56], [-79, 16, -138, -147, 48, -185], [19, -145, -20], [30, -90, -66, -57, 70, -42], [74, -15]]