Finding the Fourth Proportional to 3,408.99, 5,113.43 and 1,100.49

Step by Step Solution

1. Step 1: Write the proportion equation
   3,408.99 : 5,113.43 = 1,100.49 : x
2. Step 2: Convert to fraction form
   3,408.99/5,113.43 = 1,100.49/x
3. Step 3: Cross multiply
   3,408.99x = 5,113.43 × 1,100.49
4. Step 4: Simplify right side
   3,408.99x = 5,627,258.03
5. Step 5: Solve for x
   x = 5,627,258.03/3,408.99
6. Step 6: Final answer
   x = 1,650.71