Finding the Fourth Proportional to 99,406.86, 149,105.43 and 37,072.50

Step by Step Solution

1. Step 1: Write the proportion equation
   99,406.86 : 149,105.43 = 37,072.50 : x
2. Step 2: Convert to fraction form
   99,406.86/149,105.43 = 37,072.50/x
3. Step 3: Cross multiply
   99,406.86x = 149,105.43 × 37,072.50
4. Step 4: Simplify right side
   99,406.86x = 5,527,711,053.68
5. Step 5: Solve for x
   x = 5,527,711,053.68/99,406.86
6. Step 6: Final answer
   x = 55,606.94