Finding the Fourth Proportional to 2,429.28, 3,648.72 and 2,082.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,429.28 : 3,648.72 = 2,082.48 : x
2. Step 2: Convert to fraction form
   2,429.28/3,648.72 = 2,082.48/x
3. Step 3: Cross multiply
   2,429.28x = 3,648.72 × 2,082.48
4. Step 4: Simplify right side
   2,429.28x = 7,598,386.43
5. Step 5: Solve for x
   x = 7,598,386.43/2,429.28
6. Step 6: Final answer
   x = 3,127.83