Finding the Fourth Proportional to 154,061.96, 231,015.18 and 75,057.80

Step by Step Solution

1. Step 1: Write the proportion equation
   154,061.96 : 231,015.18 = 75,057.80 : x
2. Step 2: Convert to fraction form
   154,061.96/231,015.18 = 75,057.80/x
3. Step 3: Cross multiply
   154,061.96x = 231,015.18 × 75,057.80
4. Step 4: Simplify right side
   154,061.96x = 17,339,491,177.40
5. Step 5: Solve for x
   x = 17,339,491,177.40/154,061.96
6. Step 6: Final answer
   x = 112,548.82