Finding the Fourth Proportional to 2,728.42, 3,765.09 and 1,549.33

Step by Step Solution

1. Step 1: Write the proportion equation
   2,728.42 : 3,765.09 = 1,549.33 : x
2. Step 2: Convert to fraction form
   2,728.42/3,765.09 = 1,549.33/x
3. Step 3: Cross multiply
   2,728.42x = 3,765.09 × 1,549.33
4. Step 4: Simplify right side
   2,728.42x = 5,833,366.89
5. Step 5: Solve for x
   x = 5,833,366.89/2,728.42
6. Step 6: Final answer
   x = 2,138.00