Finding the Fourth Proportional to 82,934.71, 124,219.71 and 68,540.05

Step by Step Solution

1. Step 1: Write the proportion equation
   82,934.71 : 124,219.71 = 68,540.05 : x
2. Step 2: Convert to fraction form
   82,934.71/124,219.71 = 68,540.05/x
3. Step 3: Cross multiply
   82,934.71x = 124,219.71 × 68,540.05
4. Step 4: Simplify right side
   82,934.71x = 8,514,025,134.39
5. Step 5: Solve for x
   x = 8,514,025,134.39/82,934.71
6. Step 6: Final answer
   x = 102,659.37