Finding the Fourth Proportional to 127,443.78, 175,871.02 and 70,086.97

Step by Step Solution

1. Step 1: Write the proportion equation
   127,443.78 : 175,871.02 = 70,086.97 : x
2. Step 2: Convert to fraction form
   127,443.78/175,871.02 = 70,086.97/x
3. Step 3: Cross multiply
   127,443.78x = 175,871.02 × 70,086.97
4. Step 4: Simplify right side
   127,443.78x = 12,326,267,275.76
5. Step 5: Solve for x
   x = 12,326,267,275.76/127,443.78
6. Step 6: Final answer
   x = 96,719.25