Finding the Fourth Proportional to 131,080.34, 196,484.17 and 88,963.86

Step by Step Solution

1. Step 1: Write the proportion equation
   131,080.34 : 196,484.17 = 88,963.86 : x
2. Step 2: Convert to fraction form
   131,080.34/196,484.17 = 88,963.86/x
3. Step 3: Cross multiply
   131,080.34x = 196,484.17 × 88,963.86
4. Step 4: Simplify right side
   131,080.34x = 17,479,989,969.69
5. Step 5: Solve for x
   x = 17,479,989,969.69/131,080.34
6. Step 6: Final answer
   x = 133,353.25