Finding the Fourth Proportional to 173,104.98, 259,654.77 and 88,816.50

Step by Step Solution

1. Step 1: Write the proportion equation
   173,104.98 : 259,654.77 = 88,816.50 : x
2. Step 2: Convert to fraction form
   173,104.98/259,654.77 = 88,816.50/x
3. Step 3: Cross multiply
   173,104.98x = 259,654.77 × 88,816.50
4. Step 4: Simplify right side
   173,104.98x = 23,061,627,879.71
5. Step 5: Solve for x
   x = 23,061,627,879.71/173,104.98
6. Step 6: Final answer
   x = 133,223.36