Finding the Fourth Proportional to 131,196.34, 181,025.31 and 88,237.72

Step by Step Solution

1. Step 1: Write the proportion equation
   131,196.34 : 181,025.31 = 88,237.72 : x
2. Step 2: Convert to fraction form
   131,196.34/181,025.31 = 88,237.72/x
3. Step 3: Cross multiply
   131,196.34x = 181,025.31 × 88,237.72
4. Step 4: Simplify right side
   131,196.34x = 15,973,260,616.69
5. Step 5: Solve for x
   x = 15,973,260,616.69/131,196.34
6. Step 6: Final answer
   x = 121,750.81