Finding the Fourth Proportional to 2,002.29, 2,763.16 and 1,118.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,002.29 : 2,763.16 = 1,118.12 : x
2. Step 2: Convert to fraction form
   2,002.29/2,763.16 = 1,118.12/x
3. Step 3: Cross multiply
   2,002.29x = 2,763.16 × 1,118.12
4. Step 4: Simplify right side
   2,002.29x = 3,089,544.46
5. Step 5: Solve for x
   x = 3,089,544.46/2,002.29
6. Step 6: Final answer
   x = 1,543.01