Finding the Fourth Proportional to 176,062, 242,978.12 and 99,581.80

Step by Step Solution

1. Step 1: Write the proportion equation
   176,062 : 242,978.12 = 99,581.80 : x
2. Step 2: Convert to fraction form
   176,062/242,978.12 = 99,581.80/x
3. Step 3: Cross multiply
   176,062x = 242,978.12 × 99,581.80
4. Step 4: Simplify right side
   176,062x = 24,196,198,052.31
5. Step 5: Solve for x
   x = 24,196,198,052.31/176,062
6. Step 6: Final answer
   x = 137,429.99