Finding the Fourth Proportional to 2,728.91, 3,767.69 and 2,098.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,728.91 : 3,767.69 = 2,098.28 : x
2. Step 2: Convert to fraction form
   2,728.91/3,767.69 = 2,098.28/x
3. Step 3: Cross multiply
   2,728.91x = 3,767.69 × 2,098.28
4. Step 4: Simplify right side
   2,728.91x = 7,905,639.24
5. Step 5: Solve for x
   x = 7,905,639.24/2,728.91
6. Step 6: Final answer
   x = 2,896.99