Finding the Fourth Proportional to 2,169.02, 2,993.27 and 1,174.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,169.02 : 2,993.27 = 1,174.31 : x
2. Step 2: Convert to fraction form
   2,169.02/2,993.27 = 1,174.31/x
3. Step 3: Cross multiply
   2,169.02x = 2,993.27 × 1,174.31
4. Step 4: Simplify right side
   2,169.02x = 3,515,017.28
5. Step 5: Solve for x
   x = 3,515,017.28/2,169.02
6. Step 6: Final answer
   x = 1,620.55