Finding the Fourth Proportional to 127,870.50, 176,461.30 and 71,285.52

Step by Step Solution

1. Step 1: Write the proportion equation
   127,870.50 : 176,461.30 = 71,285.52 : x
2. Step 2: Convert to fraction form
   127,870.50/176,461.30 = 71,285.52/x
3. Step 3: Cross multiply
   127,870.50x = 176,461.30 × 71,285.52
4. Step 4: Simplify right side
   127,870.50x = 12,579,135,530.38
5. Step 5: Solve for x
   x = 12,579,135,530.38/127,870.50
6. Step 6: Final answer
   x = 98,374.02