Finding the Fourth Proportional to 127,522.26, 191,061.72 and 89,490.87

Step by Step Solution

1. Step 1: Write the proportion equation
   127,522.26 : 191,061.72 = 89,490.87 : x
2. Step 2: Convert to fraction form
   127,522.26/191,061.72 = 89,490.87/x
3. Step 3: Cross multiply
   127,522.26x = 191,061.72 × 89,490.87
4. Step 4: Simplify right side
   127,522.26x = 17,098,279,546.50
5. Step 5: Solve for x
   x = 17,098,279,546.50/127,522.26
6. Step 6: Final answer
   x = 134,080.74