Finding the Fourth Proportional to 3,726.48, 5,144.16 and 2,401.92

Step by Step Solution

1. Step 1: Write the proportion equation
   3,726.48 : 5,144.16 = 2,401.92 : x
2. Step 2: Convert to fraction form
   3,726.48/5,144.16 = 2,401.92/x
3. Step 3: Cross multiply
   3,726.48x = 5,144.16 × 2,401.92
4. Step 4: Simplify right side
   3,726.48x = 12,355,860.79
5. Step 5: Solve for x
   x = 12,355,860.79/3,726.48
6. Step 6: Final answer
   x = 3,315.69