Finding the Fourth Proportional to 144,601.59, 199,447.20 and 88,016.61

Step by Step Solution

1. Step 1: Write the proportion equation
   144,601.59 : 199,447.20 = 88,016.61 : x
2. Step 2: Convert to fraction form
   144,601.59/199,447.20 = 88,016.61/x
3. Step 3: Cross multiply
   144,601.59x = 199,447.20 × 88,016.61
4. Step 4: Simplify right side
   144,601.59x = 17,554,666,417.99
5. Step 5: Solve for x
   x = 17,554,666,417.99/144,601.59
6. Step 6: Final answer
   x = 121,400.23