Finding the Fourth Proportional to 2,233.20, 3,082.20 and 1,302.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,233.20 : 3,082.20 = 1,302.16 : x
2. Step 2: Convert to fraction form
   2,233.20/3,082.20 = 1,302.16/x
3. Step 3: Cross multiply
   2,233.20x = 3,082.20 × 1,302.16
4. Step 4: Simplify right side
   2,233.20x = 4,013,517.55
5. Step 5: Solve for x
   x = 4,013,517.55/2,233.20
6. Step 6: Final answer
   x = 1,797.20