Finding the Fourth Proportional to 2,002.70, 2,763.84 and 1,118.49

Step by Step Solution

1. Step 1: Write the proportion equation
   2,002.70 : 2,763.84 = 1,118.49 : x
2. Step 2: Convert to fraction form
   2,002.70/2,763.84 = 1,118.49/x
3. Step 3: Cross multiply
   2,002.70x = 2,763.84 × 1,118.49
4. Step 4: Simplify right side
   2,002.70x = 3,091,327.40
5. Step 5: Solve for x
   x = 3,091,327.40/2,002.70
6. Step 6: Final answer
   x = 1,543.58