Finding the Fourth Proportional to 144,740.24, 199,781.16 and 88,151.12

Step by Step Solution

1. Step 1: Write the proportion equation
   144,740.24 : 199,781.16 = 88,151.12 : x
2. Step 2: Convert to fraction form
   144,740.24/199,781.16 = 88,151.12/x
3. Step 3: Cross multiply
   144,740.24x = 199,781.16 × 88,151.12
4. Step 4: Simplify right side
   144,740.24x = 17,610,933,008.90
5. Step 5: Solve for x
   x = 17,610,933,008.90/144,740.24
6. Step 6: Final answer
   x = 121,672.68