Finding the Fourth Proportional to 2,728, 3,764.72 and 1,486.08

Step by Step Solution

1. Step 1: Write the proportion equation
   2,728 : 3,764.72 = 1,486.08 : x
2. Step 2: Convert to fraction form
   2,728/3,764.72 = 1,486.08/x
3. Step 3: Cross multiply
   2,728x = 3,764.72 × 1,486.08
4. Step 4: Simplify right side
   2,728x = 5,594,675.10
5. Step 5: Solve for x
   x = 5,594,675.10/2,728
6. Step 6: Final answer
   x = 2,050.83