Finding the Fourth Proportional to 172,682.94, 259,025.07 and 88,397.10

Step by Step Solution

1. Step 1: Write the proportion equation
   172,682.94 : 259,025.07 = 88,397.10 : x
2. Step 2: Convert to fraction form
   172,682.94/259,025.07 = 88,397.10/x
3. Step 3: Cross multiply
   172,682.94x = 259,025.07 × 88,397.10
4. Step 4: Simplify right side
   172,682.94x = 22,897,065,015.30
5. Step 5: Solve for x
   x = 22,897,065,015.30/172,682.94
6. Step 6: Final answer
   x = 132,595.99