Finding the Fourth Proportional to 2,743.28, 4,114.89 and 1,099.80

Step by Step Solution

1. Step 1: Write the proportion equation
   2,743.28 : 4,114.89 = 1,099.80 : x
2. Step 2: Convert to fraction form
   2,743.28/4,114.89 = 1,099.80/x
3. Step 3: Cross multiply
   2,743.28x = 4,114.89 × 1,099.80
4. Step 4: Simplify right side
   2,743.28x = 4,525,560.15
5. Step 5: Solve for x
   x = 4,525,560.15/2,743.28
6. Step 6: Final answer
   x = 1,649.69