Finding the Fourth Proportional to 127,819.62, 176,398.83 and 71,230.86

Step by Step Solution

1. Step 1: Write the proportion equation
   127,819.62 : 176,398.83 = 71,230.86 : x
2. Step 2: Convert to fraction form
   127,819.62/176,398.83 = 71,230.86/x
3. Step 3: Cross multiply
   127,819.62x = 176,398.83 × 71,230.86
4. Step 4: Simplify right side
   127,819.62x = 12,565,040,363.89
5. Step 5: Solve for x
   x = 12,565,040,363.89/127,819.62
6. Step 6: Final answer
   x = 98,302.91