Finding the Fourth Proportional to 127,042.72, 175,317.75 and 69,680.86

Step by Step Solution

1. Step 1: Write the proportion equation
   127,042.72 : 175,317.75 = 69,680.86 : x
2. Step 2: Convert to fraction form
   127,042.72/175,317.75 = 69,680.86/x
3. Step 3: Cross multiply
   127,042.72x = 175,317.75 × 69,680.86
4. Step 4: Simplify right side
   127,042.72x = 12,216,291,593.27
5. Step 5: Solve for x
   x = 12,216,291,593.27/127,042.72
6. Step 6: Final answer
   x = 96,158.93