Finding the Fourth Proportional to 3,727.01, 5,142.27 and 2,399.62

Step by Step Solution

1. Step 1: Write the proportion equation
   3,727.01 : 5,142.27 = 2,399.62 : x
2. Step 2: Convert to fraction form
   3,727.01/5,142.27 = 2,399.62/x
3. Step 3: Cross multiply
   3,727.01x = 5,142.27 × 2,399.62
4. Step 4: Simplify right side
   3,727.01x = 12,339,481.94
5. Step 5: Solve for x
   x = 12,339,481.94/3,727.01
6. Step 6: Final answer
   x = 3,310.83