Finding the Fourth Proportional to 83,151.72, 124,739.92 and 30,557.10

Step by Step Solution

1. Step 1: Write the proportion equation
   83,151.72 : 124,739.92 = 30,557.10 : x
2. Step 2: Convert to fraction form
   83,151.72/124,739.92 = 30,557.10/x
3. Step 3: Cross multiply
   83,151.72x = 124,739.92 × 30,557.10
4. Step 4: Simplify right side
   83,151.72x = 3,811,690,209.43
5. Step 5: Solve for x
   x = 3,811,690,209.43/83,151.72
6. Step 6: Final answer
   x = 45,840.18