Finding the Fourth Proportional to 1,168.85, 1,613.29 and 727.09

Step by Step Solution

1. Step 1: Write the proportion equation
   1,168.85 : 1,613.29 = 727.09 : x
2. Step 2: Convert to fraction form
   1,168.85/1,613.29 = 727.09/x
3. Step 3: Cross multiply
   1,168.85x = 1,613.29 × 727.09
4. Step 4: Simplify right side
   1,168.85x = 1,173,007.03
5. Step 5: Solve for x
   x = 1,173,007.03/1,168.85
6. Step 6: Final answer
   x = 1,003.56