if 30% of 40% of x is 18.6, find the value of x

if 30% of 40% of x is 18.6, find the value of x

30% is 0.3
40% is 0.4

So we have:
0.3 * 0.4 * x = 18.6

Simplifying, we get:
0.12x = 18.6

Typing this equation into our search engine, we get:
x = 155