Finding the Fourth Proportional to 80,522.17, 111,130.85 and 48,691.30

Step by Step Solution

1. Step 1: Write the proportion equation
   80,522.17 : 111,130.85 = 48,691.30 : x
2. Step 2: Convert to fraction form
   80,522.17/111,130.85 = 48,691.30/x
3. Step 3: Cross multiply
   80,522.17x = 111,130.85 × 48,691.30
4. Step 4: Simplify right side
   80,522.17x = 5,411,105,556.61
5. Step 5: Solve for x
   x = 5,411,105,556.61/80,522.17
6. Step 6: Final answer
   x = 67,200.20