Finding the Fourth Proportional to 99,539.30, 149,366.55 and 37,216.10

Step by Step Solution

1. Step 1: Write the proportion equation
   99,539.30 : 149,366.55 = 37,216.10 : x
2. Step 2: Convert to fraction form
   99,539.30/149,366.55 = 37,216.10/x
3. Step 3: Cross multiply
   99,539.30x = 149,366.55 × 37,216.10
4. Step 4: Simplify right side
   99,539.30x = 5,558,840,461.46
5. Step 5: Solve for x
   x = 5,558,840,461.46/99,539.30
6. Step 6: Final answer
   x = 55,845.69