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.
[[99, 18, -1, -143], [98, 96, -133, 60], [-42, -3, -151, -60, 43, 28, -104], [-66, -19, 33, -105, -177, -124]]