Finding the Fourth Proportional to 124,332.59, 186,498.72 and 57,736.30

Step by Step Solution

1. Step 1: Write the proportion equation
   124,332.59 : 186,498.72 = 57,736.30 : x
2. Step 2: Convert to fraction form
   124,332.59/186,498.72 = 57,736.30/x
3. Step 3: Cross multiply
   124,332.59x = 186,498.72 × 57,736.30
4. Step 4: Simplify right side
   124,332.59x = 10,767,746,047.54
5. Step 5: Solve for x
   x = 10,767,746,047.54/124,332.59
6. Step 6: Final answer
   x = 86,604.37