Finding the Fourth Proportional to 3,727.85, 5,145.59 and 2,401.55

Step by Step Solution

1. Step 1: Write the proportion equation
   3,727.85 : 5,145.59 = 2,401.55 : x
2. Step 2: Convert to fraction form
   3,727.85/5,145.59 = 2,401.55/x
3. Step 3: Cross multiply
   3,727.85x = 5,145.59 × 2,401.55
4. Step 4: Simplify right side
   3,727.85x = 12,357,391.66
5. Step 5: Solve for x
   x = 12,357,391.66/3,727.85
6. Step 6: Final answer
   x = 3,314.88