Finding the Fourth Proportional to 82,108.84, 113,311.46 and 48,109.20

Step by Step Solution

1. Step 1: Write the proportion equation
   82,108.84 : 113,311.46 = 48,109.20 : x
2. Step 2: Convert to fraction form
   82,108.84/113,311.46 = 48,109.20/x
3. Step 3: Cross multiply
   82,108.84x = 113,311.46 × 48,109.20
4. Step 4: Simplify right side
   82,108.84x = 5,451,323,691.43
5. Step 5: Solve for x
   x = 5,451,323,691.43/82,108.84
6. Step 6: Final answer
   x = 66,391.43