Finding the Fourth Proportional to 82,271.40, 123,419.17 and 26,092.78

Step by Step Solution

1. Step 1: Write the proportion equation
   82,271.40 : 123,419.17 = 26,092.78 : x
2. Step 2: Convert to fraction form
   82,271.40/123,419.17 = 26,092.78/x
3. Step 3: Cross multiply
   82,271.40x = 123,419.17 × 26,092.78
4. Step 4: Simplify right side
   82,271.40x = 3,220,349,250.59
5. Step 5: Solve for x
   x = 3,220,349,250.59/82,271.40
6. Step 6: Final answer
   x = 39,143.00