Finding the Fourth Proportional to 31,601.38, 47,401.92 and 8,227.78

Step by Step Solution

1. Step 1: Write the proportion equation
   31,601.38 : 47,401.92 = 8,227.78 : x
2. Step 2: Convert to fraction form
   31,601.38/47,401.92 = 8,227.78/x
3. Step 3: Cross multiply
   31,601.38x = 47,401.92 × 8,227.78
4. Step 4: Simplify right side
   31,601.38x = 390,012,569.34
5. Step 5: Solve for x
   x = 390,012,569.34/31,601.38
6. Step 6: Final answer
   x = 12,341.63