Finding the Fourth Proportional to 89,310, 123,247.80 and 49,566

Step by Step Solution

1. Step 1: Write the proportion equation
   89,310 : 123,247.80 = 49,566 : x
2. Step 2: Convert to fraction form
   89,310/123,247.80 = 49,566/x
3. Step 3: Cross multiply
   89,310x = 123,247.80 × 49,566
4. Step 4: Simplify right side
   89,310x = 6,108,900,454.80
5. Step 5: Solve for x
   x = 6,108,900,454.80/89,310
6. Step 6: Final answer
   x = 68,401.08