Finding the Fourth Proportional to 144,793.88, 199,815.63 and 88,205.25

Step by Step Solution

1. Step 1: Write the proportion equation
   144,793.88 : 199,815.63 = 88,205.25 : x
2. Step 2: Convert to fraction form
   144,793.88/199,815.63 = 88,205.25/x
3. Step 3: Cross multiply
   144,793.88x = 199,815.63 × 88,205.25
4. Step 4: Simplify right side
   144,793.88x = 17,624,788,016.60
5. Step 5: Solve for x
   x = 17,624,788,016.60/144,793.88
6. Step 6: Final answer
   x = 121,723.29