Finding the Fourth Proportional to 2,165.97, 2,989.03 and 1,171.24

Step by Step Solution

1. Step 1: Write the proportion equation
   2,165.97 : 2,989.03 = 1,171.24 : x
2. Step 2: Convert to fraction form
   2,165.97/2,989.03 = 1,171.24/x
3. Step 3: Cross multiply
   2,165.97x = 2,989.03 × 1,171.24
4. Step 4: Simplify right side
   2,165.97x = 3,500,871.50
5. Step 5: Solve for x
   x = 3,500,871.50/2,165.97
6. Step 6: Final answer
   x = 1,616.31