Finding the Fourth Proportional to 2,949.21, 4,423.67 and 1,100.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,949.21 : 4,423.67 = 1,100.18 : x
2. Step 2: Convert to fraction form
   2,949.21/4,423.67 = 1,100.18/x
3. Step 3: Cross multiply
   2,949.21x = 4,423.67 × 1,100.18
4. Step 4: Simplify right side
   2,949.21x = 4,866,830.50
5. Step 5: Solve for x
   x = 4,866,830.50/2,949.21
6. Step 6: Final answer
   x = 1,650.21