Finding the Fourth Proportional to 144,049.47, 198,764.46 and 80,387.10

Step by Step Solution

1. Step 1: Write the proportion equation
   144,049.47 : 198,764.46 = 80,387.10 : x
2. Step 2: Convert to fraction form
   144,049.47/198,764.46 = 80,387.10/x
3. Step 3: Cross multiply
   144,049.47x = 198,764.46 × 80,387.10
4. Step 4: Simplify right side
   144,049.47x = 15,978,098,522.47
5. Step 5: Solve for x
   x = 15,978,098,522.47/144,049.47
6. Step 6: Final answer
   x = 110,920.91