Finding the Fourth Proportional to 82,472.94, 123,648.88 and 26,280.72

Step by Step Solution

1. Step 1: Write the proportion equation
   82,472.94 : 123,648.88 = 26,280.72 : x
2. Step 2: Convert to fraction form
   82,472.94/123,648.88 = 26,280.72/x
3. Step 3: Cross multiply
   82,472.94x = 123,648.88 × 26,280.72
4. Step 4: Simplify right side
   82,472.94x = 3,249,581,593.59
5. Step 5: Solve for x
   x = 3,249,581,593.59/82,472.94
6. Step 6: Final answer
   x = 39,401.79