Finding the Fourth Proportional to 2,002.60, 2,763.32 and 1,118.29

Step by Step Solution

1. Step 1: Write the proportion equation
   2,002.60 : 2,763.32 = 1,118.29 : x
2. Step 2: Convert to fraction form
   2,002.60/2,763.32 = 1,118.29/x
3. Step 3: Cross multiply
   2,002.60x = 2,763.32 × 1,118.29
4. Step 4: Simplify right side
   2,002.60x = 3,090,187.53
5. Step 5: Solve for x
   x = 3,090,187.53/2,002.60
6. Step 6: Final answer
   x = 1,543.09