Finding the Fourth Proportional to 3,727.56, 5,143.49 and 2,311.82

Step by Step Solution

1. Step 1: Write the proportion equation
   3,727.56 : 5,143.49 = 2,311.82 : x
2. Step 2: Convert to fraction form
   3,727.56/5,143.49 = 2,311.82/x
3. Step 3: Cross multiply
   3,727.56x = 5,143.49 × 2,311.82
4. Step 4: Simplify right side
   3,727.56x = 11,890,843.19
5. Step 5: Solve for x
   x = 11,890,843.19/3,727.56
6. Step 6: Final answer
   x = 3,189.98