Finding the Fourth Proportional to 2,728.97, 4,091.51 and 1,340.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,728.97 : 4,091.51 = 1,340.83 : x
2. Step 2: Convert to fraction form
   2,728.97/4,091.51 = 1,340.83/x
3. Step 3: Cross multiply
   2,728.97x = 4,091.51 × 1,340.83
4. Step 4: Simplify right side
   2,728.97x = 5,486,016.31
5. Step 5: Solve for x
   x = 5,486,016.31/2,728.97
6. Step 6: Final answer
   x = 2,010.29