Finding the Fourth Proportional to 2,571.48, 3,859.92 and 1,418.04

Step by Step Solution

1. Step 1: Write the proportion equation
   2,571.48 : 3,859.92 = 1,418.04 : x
2. Step 2: Convert to fraction form
   2,571.48/3,859.92 = 1,418.04/x
3. Step 3: Cross multiply
   2,571.48x = 3,859.92 × 1,418.04
4. Step 4: Simplify right side
   2,571.48x = 5,473,520.96
5. Step 5: Solve for x
   x = 5,473,520.96/2,571.48
6. Step 6: Final answer
   x = 2,128.55