Finding the Fourth Proportional to 127,714.08, 176,061.29 and 89,354.78

Step by Step Solution

1. Step 1: Write the proportion equation
   127,714.08 : 176,061.29 = 89,354.78 : x
2. Step 2: Convert to fraction form
   127,714.08/176,061.29 = 89,354.78/x
3. Step 3: Cross multiply
   127,714.08x = 176,061.29 × 89,354.78
4. Step 4: Simplify right side
   127,714.08x = 15,731,916,507.39
5. Step 5: Solve for x
   x = 15,731,916,507.39/127,714.08
6. Step 6: Final answer
   x = 123,180.75