Finding the Fourth Proportional to 144,134.42, 198,892.41 and 80,460.50

Step by Step Solution

1. Step 1: Write the proportion equation
   144,134.42 : 198,892.41 = 80,460.50 : x
2. Step 2: Convert to fraction form
   144,134.42/198,892.41 = 80,460.50/x
3. Step 3: Cross multiply
   144,134.42x = 198,892.41 × 80,460.50
4. Step 4: Simplify right side
   144,134.42x = 16,002,982,754.81
5. Step 5: Solve for x
   x = 16,002,982,754.81/144,134.42
6. Step 6: Final answer
   x = 111,028.18