Finding the Fourth Proportional to 1,928.89, 2,661.88 and 1,044.70

Step by Step Solution

1. Step 1: Write the proportion equation
   1,928.89 : 2,661.88 = 1,044.70 : x
2. Step 2: Convert to fraction form
   1,928.89/2,661.88 = 1,044.70/x
3. Step 3: Cross multiply
   1,928.89x = 2,661.88 × 1,044.70
4. Step 4: Simplify right side
   1,928.89x = 2,780,847.50
5. Step 5: Solve for x
   x = 2,780,847.50/1,928.89
6. Step 6: Final answer
   x = 1,441.68