Finding the Fourth Proportional to 72,759.38, 109,139.10 and 32,731.61

Step by Step Solution

1. Step 1: Write the proportion equation
   72,759.38 : 109,139.10 = 32,731.61 : x
2. Step 2: Convert to fraction form
   72,759.38/109,139.10 = 32,731.61/x
3. Step 3: Cross multiply
   72,759.38x = 109,139.10 × 32,731.61
4. Step 4: Simplify right side
   72,759.38x = 3,572,297,941.99
5. Step 5: Solve for x
   x = 3,572,297,941.99/72,759.38
6. Step 6: Final answer
   x = 49,097.42