Finding the Fourth Proportional to 82,744.92, 123,241.01 and 82,341.72

Step by Step Solution

1. Step 1: Write the proportion equation
   82,744.92 : 123,241.01 = 82,341.72 : x
2. Step 2: Convert to fraction form
   82,744.92/123,241.01 = 82,341.72/x
3. Step 3: Cross multiply
   82,744.92x = 123,241.01 × 82,341.72
4. Step 4: Simplify right side
   82,744.92x = 10,147,876,737.94
5. Step 5: Solve for x
   x = 10,147,876,737.94/82,744.92
6. Step 6: Final answer
   x = 122,640.48