Finding the Fourth Proportional to 2,002.22, 2,763.12 and 1,118

Step by Step Solution

1. Step 1: Write the proportion equation
   2,002.22 : 2,763.12 = 1,118 : x
2. Step 2: Convert to fraction form
   2,002.22/2,763.12 = 1,118/x
3. Step 3: Cross multiply
   2,002.22x = 2,763.12 × 1,118
4. Step 4: Simplify right side
   2,002.22x = 3,089,168.16
5. Step 5: Solve for x
   x = 3,089,168.16/2,002.22
6. Step 6: Final answer
   x = 1,542.87