Finding the Fourth Proportional to 2,651.48, 3,957.76 and 2,456

Step by Step Solution

1. Step 1: Write the proportion equation
   2,651.48 : 3,957.76 = 2,456 : x
2. Step 2: Convert to fraction form
   2,651.48/3,957.76 = 2,456/x
3. Step 3: Cross multiply
   2,651.48x = 3,957.76 × 2,456
4. Step 4: Simplify right side
   2,651.48x = 9,720,258.56
5. Step 5: Solve for x
   x = 9,720,258.56/2,651.48
6. Step 6: Final answer
   x = 3,665.97