Finding the Fourth Proportional to 2,728.69, 3,765.89 and 1,549.73

Step by Step Solution

1. Step 1: Write the proportion equation
   2,728.69 : 3,765.89 = 1,549.73 : x
2. Step 2: Convert to fraction form
   2,728.69/3,765.89 = 1,549.73/x
3. Step 3: Cross multiply
   2,728.69x = 3,765.89 × 1,549.73
4. Step 4: Simplify right side
   2,728.69x = 5,836,126.00
5. Step 5: Solve for x
   x = 5,836,126.00/2,728.69
6. Step 6: Final answer
   x = 2,138.80