Finding the Fourth Proportional to 2,002.48, 2,763.49 and 1,118.23

Step by Step Solution

1. Step 1: Write the proportion equation
   2,002.48 : 2,763.49 = 1,118.23 : x
2. Step 2: Convert to fraction form
   2,002.48/2,763.49 = 1,118.23/x
3. Step 3: Cross multiply
   2,002.48x = 2,763.49 × 1,118.23
4. Step 4: Simplify right side
   2,002.48x = 3,090,217.42
5. Step 5: Solve for x
   x = 3,090,217.42/2,002.48
6. Step 6: Final answer
   x = 1,543.20