Finding the Fourth Proportional to 82,710.10, 114,086.10 and 48,689.90

Step by Step Solution

1. Step 1: Write the proportion equation
   82,710.10 : 114,086.10 = 48,689.90 : x
2. Step 2: Convert to fraction form
   82,710.10/114,086.10 = 48,689.90/x
3. Step 3: Cross multiply
   82,710.10x = 114,086.10 × 48,689.90
4. Step 4: Simplify right side
   82,710.10x = 5,554,840,800.39
5. Step 5: Solve for x
   x = 5,554,840,800.39/82,710.10
6. Step 6: Final answer
   x = 67,160.37