Finding the Fourth Proportional to 2,728.16, 3,764.88 and 1,549.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,728.16 : 3,764.88 = 1,549.16 : x
2. Step 2: Convert to fraction form
   2,728.16/3,764.88 = 1,549.16/x
3. Step 3: Cross multiply
   2,728.16x = 3,764.88 × 1,549.16
4. Step 4: Simplify right side
   2,728.16x = 5,832,401.50
5. Step 5: Solve for x
   x = 5,832,401.50/2,728.16
6. Step 6: Final answer
   x = 2,137.85