Finding the Fourth Proportional to 3,408.84, 5,113.98 and 1,100.28

Step by Step Solution

1. Step 1: Write the proportion equation
   3,408.84 : 5,113.98 = 1,100.28 : x
2. Step 2: Convert to fraction form
   3,408.84/5,113.98 = 1,100.28/x
3. Step 3: Cross multiply
   3,408.84x = 5,113.98 × 1,100.28
4. Step 4: Simplify right side
   3,408.84x = 5,626,809.91
5. Step 5: Solve for x
   x = 5,626,809.91/3,408.84
6. Step 6: Final answer
   x = 1,650.65