Finding the Fourth Proportional to 2,168.89, 2,993.03 and 1,174.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,168.89 : 2,993.03 = 1,174.16 : x
2. Step 2: Convert to fraction form
   2,168.89/2,993.03 = 1,174.16/x
3. Step 3: Cross multiply
   2,168.89x = 2,993.03 × 1,174.16
4. Step 4: Simplify right side
   2,168.89x = 3,514,296.10
5. Step 5: Solve for x
   x = 3,514,296.10/2,168.89
6. Step 6: Final answer
   x = 1,620.32