Finding the Fourth Proportional to 1,928.39, 2,661.17 and 1,044.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,928.39 : 2,661.17 = 1,044.18 : x
2. Step 2: Convert to fraction form
   1,928.39/2,661.17 = 1,044.18/x
3. Step 3: Cross multiply
   1,928.39x = 2,661.17 × 1,044.18
4. Step 4: Simplify right side
   1,928.39x = 2,778,735.27
5. Step 5: Solve for x
   x = 2,778,735.27/1,928.39
6. Step 6: Final answer
   x = 1,440.96