Finding the Fourth Proportional to 127,665.78, 176,167.89 and 71,082.42

Step by Step Solution

1. Step 1: Write the proportion equation
   127,665.78 : 176,167.89 = 71,082.42 : x
2. Step 2: Convert to fraction form
   127,665.78/176,167.89 = 71,082.42/x
3. Step 3: Cross multiply
   127,665.78x = 176,167.89 × 71,082.42
4. Step 4: Simplify right side
   127,665.78x = 12,522,439,947.49
5. Step 5: Solve for x
   x = 12,522,439,947.49/127,665.78
6. Step 6: Final answer
   x = 98,087.68