Finding the Fourth Proportional to 2,044.72, 2,821.56 and 1,205.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,044.72 : 2,821.56 = 1,205.48 : x
2. Step 2: Convert to fraction form
   2,044.72/2,821.56 = 1,205.48/x
3. Step 3: Cross multiply
   2,044.72x = 2,821.56 × 1,205.48
4. Step 4: Simplify right side
   2,044.72x = 3,401,334.15
5. Step 5: Solve for x
   x = 3,401,334.15/2,044.72
6. Step 6: Final answer
   x = 1,663.47