Finding the Fourth Proportional to 2,044.38, 2,821.61 and 1,205.03

Step by Step Solution

1. Step 1: Write the proportion equation
   2,044.38 : 2,821.61 = 1,205.03 : x
2. Step 2: Convert to fraction form
   2,044.38/2,821.61 = 1,205.03/x
3. Step 3: Cross multiply
   2,044.38x = 2,821.61 × 1,205.03
4. Step 4: Simplify right side
   2,044.38x = 3,400,115.15
5. Step 5: Solve for x
   x = 3,400,115.15/2,044.38
6. Step 6: Final answer
   x = 1,663.16