Finding the Fourth Proportional to 2,443.38, 3,644.47 and 2,048.80

Step by Step Solution

1. Step 1: Write the proportion equation
   2,443.38 : 3,644.47 = 2,048.80 : x
2. Step 2: Convert to fraction form
   2,443.38/3,644.47 = 2,048.80/x
3. Step 3: Cross multiply
   2,443.38x = 3,644.47 × 2,048.80
4. Step 4: Simplify right side
   2,443.38x = 7,466,790.14
5. Step 5: Solve for x
   x = 7,466,790.14/2,443.38
6. Step 6: Final answer
   x = 3,055.93