Finding the Fourth Proportional to 2,728.89, 3,765.74 and 1,549.94

Step by Step Solution

1. Step 1: Write the proportion equation
   2,728.89 : 3,765.74 = 1,549.94 : x
2. Step 2: Convert to fraction form
   2,728.89/3,765.74 = 1,549.94/x
3. Step 3: Cross multiply
   2,728.89x = 3,765.74 × 1,549.94
4. Step 4: Simplify right side
   2,728.89x = 5,836,644.48
5. Step 5: Solve for x
   x = 5,836,644.48/2,728.89
6. Step 6: Final answer
   x = 2,138.83