Finding the Fourth Proportional to 123,417.92, 185,057.04 and 39,162.08

Step by Step Solution

1. Step 1: Write the proportion equation
   123,417.92 : 185,057.04 = 39,162.08 : x
2. Step 2: Convert to fraction form
   123,417.92/185,057.04 = 39,162.08/x
3. Step 3: Cross multiply
   123,417.92x = 185,057.04 × 39,162.08
4. Step 4: Simplify right side
   123,417.92x = 7,247,218,605.04
5. Step 5: Solve for x
   x = 7,247,218,605.04/123,417.92
6. Step 6: Final answer
   x = 58,720.96