Finding the Fourth Proportional to 2,002.43, 2,763.42 and 1,118.45

Step by Step Solution

1. Step 1: Write the proportion equation
   2,002.43 : 2,763.42 = 1,118.45 : x
2. Step 2: Convert to fraction form
   2,002.43/2,763.42 = 1,118.45/x
3. Step 3: Cross multiply
   2,002.43x = 2,763.42 × 1,118.45
4. Step 4: Simplify right side
   2,002.43x = 3,090,747.10
5. Step 5: Solve for x
   x = 3,090,747.10/2,002.43
6. Step 6: Final answer
   x = 1,543.50