I need to solve this equation:

```
A == M/(f d/2 (1 + Sqrt[1 - 3.53 (M/(b d^2 c))]))

```

to find M, 

with:

A = 0 to 19635 for intervals of 5

f = 500 d = 100 to 500 for intervals of 10

b = 100 to 500 for intervals of 10

c = 15 to 60 for intervals of 5

How should I go about this?