Finding the Fourth Proportional to 10,371.30, 15,524.55 and 8,168.10

Step by Step Solution

1. Step 1: Write the proportion equation
   10,371.30 : 15,524.55 = 8,168.10 : x
2. Step 2: Convert to fraction form
   10,371.30/15,524.55 = 8,168.10/x
3. Step 3: Cross multiply
   10,371.30x = 15,524.55 × 8,168.10
4. Step 4: Simplify right side
   10,371.30x = 126,806,076.86
5. Step 5: Solve for x
   x = 126,806,076.86/10,371.30
6. Step 6: Final answer
   x = 12,226.63