Finding the Fourth Proportional to 2,002.52, 2,763.38 and 1,118.21

Step by Step Solution

1. Step 1: Write the proportion equation
   2,002.52 : 2,763.38 = 1,118.21 : x
2. Step 2: Convert to fraction form
   2,002.52/2,763.38 = 1,118.21/x
3. Step 3: Cross multiply
   2,002.52x = 2,763.38 × 1,118.21
4. Step 4: Simplify right side
   2,002.52x = 3,090,028.13
5. Step 5: Solve for x
   x = 3,090,028.13/2,002.52
6. Step 6: Final answer
   x = 1,543.07