Finding the Fourth Proportional to 1,928.57, 2,661.43 and 1,044.37

Step by Step Solution

1. Step 1: Write the proportion equation
   1,928.57 : 2,661.43 = 1,044.37 : x
2. Step 2: Convert to fraction form
   1,928.57/2,661.43 = 1,044.37/x
3. Step 3: Cross multiply
   1,928.57x = 2,661.43 × 1,044.37
4. Step 4: Simplify right side
   1,928.57x = 2,779,520.39
5. Step 5: Solve for x
   x = 2,779,520.39/1,928.57
6. Step 6: Final answer
   x = 1,441.23