Finding the Fourth Proportional to 2,644.52, 3,966.76 and 1,105.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,644.52 : 3,966.76 = 1,105.52 : x
2. Step 2: Convert to fraction form
   2,644.52/3,966.76 = 1,105.52/x
3. Step 3: Cross multiply
   2,644.52x = 3,966.76 × 1,105.52
4. Step 4: Simplify right side
   2,644.52x = 4,385,332.52
5. Step 5: Solve for x
   x = 4,385,332.52/2,644.52
6. Step 6: Final answer
   x = 1,658.27