Finding the Fourth Proportional to 82,487.92, 123,700.20 and 29,884.72

Step by Step Solution

1. Step 1: Write the proportion equation
   82,487.92 : 123,700.20 = 29,884.72 : x
2. Step 2: Convert to fraction form
   82,487.92/123,700.20 = 29,884.72/x
3. Step 3: Cross multiply
   82,487.92x = 123,700.20 × 29,884.72
4. Step 4: Simplify right side
   82,487.92x = 3,696,745,840.94
5. Step 5: Solve for x
   x = 3,696,745,840.94/82,487.92
6. Step 6: Final answer
   x = 44,815.60