Finding the Fourth Proportional to 2,002.23, 2,763.20 and 1,118.06

Step by Step Solution

1. Step 1: Write the proportion equation
   2,002.23 : 2,763.20 = 1,118.06 : x
2. Step 2: Convert to fraction form
   2,002.23/2,763.20 = 1,118.06/x
3. Step 3: Cross multiply
   2,002.23x = 2,763.20 × 1,118.06
4. Step 4: Simplify right side
   2,002.23x = 3,089,403.99
5. Step 5: Solve for x
   x = 3,089,403.99/2,002.23
6. Step 6: Final answer
   x = 1,542.98