Finding the Fourth Proportional to 8,082.48, 12,118.60 and 3,401.20

Step by Step Solution

1. Step 1: Write the proportion equation
   8,082.48 : 12,118.60 = 3,401.20 : x
2. Step 2: Convert to fraction form
   8,082.48/12,118.60 = 3,401.20/x
3. Step 3: Cross multiply
   8,082.48x = 12,118.60 × 3,401.20
4. Step 4: Simplify right side
   8,082.48x = 41,217,782.32
5. Step 5: Solve for x
   x = 41,217,782.32/8,082.48
6. Step 6: Final answer
   x = 5,099.65