Finding the Fourth Proportional to 3,728.18, 5,144.56 and 2,049.57

Step by Step Solution

1. Step 1: Write the proportion equation
   3,728.18 : 5,144.56 = 2,049.57 : x
2. Step 2: Convert to fraction form
   3,728.18/5,144.56 = 2,049.57/x
3. Step 3: Cross multiply
   3,728.18x = 5,144.56 × 2,049.57
4. Step 4: Simplify right side
   3,728.18x = 10,544,130.72
5. Step 5: Solve for x
   x = 10,544,130.72/3,728.18
6. Step 6: Final answer
   x = 2,828.22