Finding the Fourth Proportional to 2,648.62, 3,953.85 and 2,456.33

Step by Step Solution

1. Step 1: Write the proportion equation
   2,648.62 : 3,953.85 = 2,456.33 : x
2. Step 2: Convert to fraction form
   2,648.62/3,953.85 = 2,456.33/x
3. Step 3: Cross multiply
   2,648.62x = 3,953.85 × 2,456.33
4. Step 4: Simplify right side
   2,648.62x = 9,711,970.26
5. Step 5: Solve for x
   x = 9,711,970.26/2,648.62
6. Step 6: Final answer
   x = 3,666.81