Finding the Fourth Proportional to 3,638.34, 5,020.61 and 2,044.90

Step by Step Solution

1. Step 1: Write the proportion equation
   3,638.34 : 5,020.61 = 2,044.90 : x
2. Step 2: Convert to fraction form
   3,638.34/5,020.61 = 2,044.90/x
3. Step 3: Cross multiply
   3,638.34x = 5,020.61 × 2,044.90
4. Step 4: Simplify right side
   3,638.34x = 10,266,645.39
5. Step 5: Solve for x
   x = 10,266,645.39/3,638.34
6. Step 6: Final answer
   x = 2,821.79