Finding the Fourth Proportional to 2,002.67, 2,763.68 and 1,118.47

Step by Step Solution

1. Step 1: Write the proportion equation
   2,002.67 : 2,763.68 = 1,118.47 : x
2. Step 2: Convert to fraction form
   2,002.67/2,763.68 = 1,118.47/x
3. Step 3: Cross multiply
   2,002.67x = 2,763.68 × 1,118.47
4. Step 4: Simplify right side
   2,002.67x = 3,091,080.67
5. Step 5: Solve for x
   x = 3,091,080.67/2,002.67
6. Step 6: Final answer
   x = 1,543.48