Finding the Fourth Proportional to 13,401.32, 18,491.16 and 8,096.15

Step by Step Solution

1. Step 1: Write the proportion equation
   13,401.32 : 18,491.16 = 8,096.15 : x
2. Step 2: Convert to fraction form
   13,401.32/18,491.16 = 8,096.15/x
3. Step 3: Cross multiply
   13,401.32x = 18,491.16 × 8,096.15
4. Step 4: Simplify right side
   13,401.32x = 149,707,258.85
5. Step 5: Solve for x
   x = 149,707,258.85/13,401.32
6. Step 6: Final answer
   x = 11,171.08