Finding the Fourth Proportional to 123,708.72, 185,588.32 and 52,631.24

Step by Step Solution

1. Step 1: Write the proportion equation
   123,708.72 : 185,588.32 = 52,631.24 : x
2. Step 2: Convert to fraction form
   123,708.72/185,588.32 = 52,631.24/x
3. Step 3: Cross multiply
   123,708.72x = 185,588.32 × 52,631.24
4. Step 4: Simplify right side
   123,708.72x = 9,767,743,411.12
5. Step 5: Solve for x
   x = 9,767,743,411.12/123,708.72
6. Step 6: Final answer
   x = 78,957.60