Finding the Fourth Proportional to 144,287.18, 199,115.89 and 80,625.04

Step by Step Solution

1. Step 1: Write the proportion equation
   144,287.18 : 199,115.89 = 80,625.04 : x
2. Step 2: Convert to fraction form
   144,287.18/199,115.89 = 80,625.04/x
3. Step 3: Cross multiply
   144,287.18x = 199,115.89 × 80,625.04
4. Step 4: Simplify right side
   144,287.18x = 16,053,726,595.89
5. Step 5: Solve for x
   x = 16,053,726,595.89/144,287.18
6. Step 6: Final answer
   x = 111,262.32