Finding the Fourth Proportional to 3,727.91, 5,144.45 and 2,049.30

Step by Step Solution

1. Step 1: Write the proportion equation
   3,727.91 : 5,144.45 = 2,049.30 : x
2. Step 2: Convert to fraction form
   3,727.91/5,144.45 = 2,049.30/x
3. Step 3: Cross multiply
   3,727.91x = 5,144.45 × 2,049.30
4. Step 4: Simplify right side
   3,727.91x = 10,542,530.64
5. Step 5: Solve for x
   x = 10,542,530.64/3,727.91
6. Step 6: Final answer
   x = 2,828.00