Finding the Fourth Proportional to 127,649.88, 176,156.78 and 71,074.62

Step by Step Solution

1. Step 1: Write the proportion equation
   127,649.88 : 176,156.78 = 71,074.62 : x
2. Step 2: Convert to fraction form
   127,649.88/176,156.78 = 71,074.62/x
3. Step 3: Cross multiply
   127,649.88x = 176,156.78 × 71,074.62
4. Step 4: Simplify right side
   127,649.88x = 12,520,275,843.55
5. Step 5: Solve for x
   x = 12,520,275,843.55/127,649.88
6. Step 6: Final answer
   x = 98,082.94