Finding the Fourth Proportional to 82,278.85, 123,404.17 and 26,106.45

Step by Step Solution

1. Step 1: Write the proportion equation
   82,278.85 : 123,404.17 = 26,106.45 : x
2. Step 2: Convert to fraction form
   82,278.85/123,404.17 = 26,106.45/x
3. Step 3: Cross multiply
   82,278.85x = 123,404.17 × 26,106.45
4. Step 4: Simplify right side
   82,278.85x = 3,221,644,793.90
5. Step 5: Solve for x
   x = 3,221,644,793.90/82,278.85
6. Step 6: Final answer
   x = 39,155.20