Finding the Fourth Proportional to 127,632.72, 176,139 and 71,047.76

Step by Step Solution

1. Step 1: Write the proportion equation
   127,632.72 : 176,139 = 71,047.76 : x
2. Step 2: Convert to fraction form
   127,632.72/176,139 = 71,047.76/x
3. Step 3: Cross multiply
   127,632.72x = 176,139 × 71,047.76
4. Step 4: Simplify right side
   127,632.72x = 12,514,281,398.64
5. Step 5: Solve for x
   x = 12,514,281,398.64/127,632.72
6. Step 6: Final answer
   x = 98,049.16