Finding the Fourth Proportional to 2,828.97, 4,245.89 and 1,098.81

Step by Step Solution

1. Step 1: Write the proportion equation
   2,828.97 : 4,245.89 = 1,098.81 : x
2. Step 2: Convert to fraction form
   2,828.97/4,245.89 = 1,098.81/x
3. Step 3: Cross multiply
   2,828.97x = 4,245.89 × 1,098.81
4. Step 4: Simplify right side
   2,828.97x = 4,665,420.90
5. Step 5: Solve for x
   x = 4,665,420.90/2,828.97
6. Step 6: Final answer
   x = 1,649.16