Finding the Fourth Proportional to 123,654.16, 185,414.10 and 56,149.12

Step by Step Solution

1. Step 1: Write the proportion equation
   123,654.16 : 185,414.10 = 56,149.12 : x
2. Step 2: Convert to fraction form
   123,654.16/185,414.10 = 56,149.12/x
3. Step 3: Cross multiply
   123,654.16x = 185,414.10 × 56,149.12
4. Step 4: Simplify right side
   123,654.16x = 10,410,838,550.59
5. Step 5: Solve for x
   x = 10,410,838,550.59/123,654.16
6. Step 6: Final answer
   x = 84,193.19