Finding the Fourth Proportional to 2,002.32, 2,763.37 and 1,118.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,002.32 : 2,763.37 = 1,118.18 : x
2. Step 2: Convert to fraction form
   2,002.32/2,763.37 = 1,118.18/x
3. Step 3: Cross multiply
   2,002.32x = 2,763.37 × 1,118.18
4. Step 4: Simplify right side
   2,002.32x = 3,089,939.31
5. Step 5: Solve for x
   x = 3,089,939.31/2,002.32
6. Step 6: Final answer
   x = 1,543.18