Finding the Fourth Proportional to 2,728.05, 3,764.72 and 1,486.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,728.05 : 3,764.72 = 1,486.05 : x
2. Step 2: Convert to fraction form
   2,728.05/3,764.72 = 1,486.05/x
3. Step 3: Cross multiply
   2,728.05x = 3,764.72 × 1,486.05
4. Step 4: Simplify right side
   2,728.05x = 5,594,573.07
5. Step 5: Solve for x
   x = 5,594,573.07/2,728.05
6. Step 6: Final answer
   x = 2,050.76