Finding the Fourth Proportional to 82,397.97, 123,572.66 and 42,934.77

Step by Step Solution

1. Step 1: Write the proportion equation
   82,397.97 : 123,572.66 = 42,934.77 : x
2. Step 2: Convert to fraction form
   82,397.97/123,572.66 = 42,934.77/x
3. Step 3: Cross multiply
   82,397.97x = 123,572.66 × 42,934.77
4. Step 4: Simplify right side
   82,397.97x = 5,305,563,520.71
5. Step 5: Solve for x
   x = 5,305,563,520.71/82,397.97
6. Step 6: Final answer
   x = 64,389.49