Finding the Fourth Proportional to 2,002.19, 2,763.04 and 1,118.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,002.19 : 2,763.04 = 1,118.05 : x
2. Step 2: Convert to fraction form
   2,002.19/2,763.04 = 1,118.05/x
3. Step 3: Cross multiply
   2,002.19x = 2,763.04 × 1,118.05
4. Step 4: Simplify right side
   2,002.19x = 3,089,216.87
5. Step 5: Solve for x
   x = 3,089,216.87/2,002.19
6. Step 6: Final answer
   x = 1,542.92