Finding the Fourth Proportional to 131,077.06, 196,479.24 and 88,960.57

Step by Step Solution

1. Step 1: Write the proportion equation
   131,077.06 : 196,479.24 = 88,960.57 : x
2. Step 2: Convert to fraction form
   131,077.06/196,479.24 = 88,960.57/x
3. Step 3: Cross multiply
   131,077.06x = 196,479.24 × 88,960.57
4. Step 4: Simplify right side
   131,077.06x = 17,478,904,833.07
5. Step 5: Solve for x
   x = 17,478,904,833.07/131,077.06
6. Step 6: Final answer
   x = 133,348.31