Finding the Fourth Proportional to 2,002.36, 2,762.76 and 1,118.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,002.36 : 2,762.76 = 1,118.16 : x
2. Step 2: Convert to fraction form
   2,002.36/2,762.76 = 1,118.16/x
3. Step 3: Cross multiply
   2,002.36x = 2,762.76 × 1,118.16
4. Step 4: Simplify right side
   2,002.36x = 3,089,207.72
5. Step 5: Solve for x
   x = 3,089,207.72/2,002.36
6. Step 6: Final answer
   x = 1,542.78