Finding the Fourth Proportional to 12,417.27, 18,626.12 and 5,397.28

Step by Step Solution

1. Step 1: Write the proportion equation
   12,417.27 : 18,626.12 = 5,397.28 : x
2. Step 2: Convert to fraction form
   12,417.27/18,626.12 = 5,397.28/x
3. Step 3: Cross multiply
   12,417.27x = 18,626.12 × 5,397.28
4. Step 4: Simplify right side
   12,417.27x = 100,530,436.41
5. Step 5: Solve for x
   x = 100,530,436.41/12,417.27
6. Step 6: Final answer
   x = 8,096.02