Finding the Fourth Proportional to 3,902.48, 5,387.25 and 2,411.27

Step by Step Solution

1. Step 1: Write the proportion equation
   3,902.48 : 5,387.25 = 2,411.27 : x
2. Step 2: Convert to fraction form
   3,902.48/5,387.25 = 2,411.27/x
3. Step 3: Cross multiply
   3,902.48x = 5,387.25 × 2,411.27
4. Step 4: Simplify right side
   3,902.48x = 12,990,087.37
5. Step 5: Solve for x
   x = 12,990,087.37/3,902.48
6. Step 6: Final answer
   x = 3,328.68