Finding the Fourth Proportional to 82,761.34, 124,204.38 and 60,631.42

Step by Step Solution

1. Step 1: Write the proportion equation
   82,761.34 : 124,204.38 = 60,631.42 : x
2. Step 2: Convert to fraction form
   82,761.34/124,204.38 = 60,631.42/x
3. Step 3: Cross multiply
   82,761.34x = 124,204.38 × 60,631.42
4. Step 4: Simplify right side
   82,761.34x = 7,530,687,929.62
5. Step 5: Solve for x
   x = 7,530,687,929.62/82,761.34
6. Step 6: Final answer
   x = 90,992.82