Finding the Fourth Proportional to 3,665.28, 5,062.20 and 2,484.30

Step by Step Solution

1. Step 1: Write the proportion equation
   3,665.28 : 5,062.20 = 2,484.30 : x
2. Step 2: Convert to fraction form
   3,665.28/5,062.20 = 2,484.30/x
3. Step 3: Cross multiply
   3,665.28x = 5,062.20 × 2,484.30
4. Step 4: Simplify right side
   3,665.28x = 12,576,023.46
5. Step 5: Solve for x
   x = 12,576,023.46/3,665.28
6. Step 6: Final answer
   x = 3,431.12