Finding the Fourth Proportional to 8,471.27, 12,707.31 and 4,092.41

Step by Step Solution

1. Step 1: Write the proportion equation
   8,471.27 : 12,707.31 = 4,092.41 : x
2. Step 2: Convert to fraction form
   8,471.27/12,707.31 = 4,092.41/x
3. Step 3: Cross multiply
   8,471.27x = 12,707.31 × 4,092.41
4. Step 4: Simplify right side
   8,471.27x = 52,003,522.52
5. Step 5: Solve for x
   x = 52,003,522.52/8,471.27
6. Step 6: Final answer
   x = 6,138.81