Finding the Fourth Proportional to 2,002.53, 2,763.30 and 1,118.32

Step by Step Solution

1. Step 1: Write the proportion equation
   2,002.53 : 2,763.30 = 1,118.32 : x
2. Step 2: Convert to fraction form
   2,002.53/2,763.30 = 1,118.32/x
3. Step 3: Cross multiply
   2,002.53x = 2,763.30 × 1,118.32
4. Step 4: Simplify right side
   2,002.53x = 3,090,248.47
5. Step 5: Solve for x
   x = 3,090,248.47/2,002.53
6. Step 6: Final answer
   x = 1,543.17