Finding the Fourth Proportional to 3,727.48, 5,144.50 and 2,311.42

Step by Step Solution

1. Step 1: Write the proportion equation
   3,727.48 : 5,144.50 = 2,311.42 : x
2. Step 2: Convert to fraction form
   3,727.48/5,144.50 = 2,311.42/x
3. Step 3: Cross multiply
   3,727.48x = 5,144.50 × 2,311.42
4. Step 4: Simplify right side
   3,727.48x = 11,891,100.19
5. Step 5: Solve for x
   x = 11,891,100.19/3,727.48
6. Step 6: Final answer
   x = 3,190.12