Finding the Fourth Proportional to 2,209.52, 3,311.34 and 1,169.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,209.52 : 3,311.34 = 1,169.30 : x
2. Step 2: Convert to fraction form
   2,209.52/3,311.34 = 1,169.30/x
3. Step 3: Cross multiply
   2,209.52x = 3,311.34 × 1,169.30
4. Step 4: Simplify right side
   2,209.52x = 3,871,949.86
5. Step 5: Solve for x
   x = 3,871,949.86/2,209.52
6. Step 6: Final answer
   x = 1,752.39