Finding the Fourth Proportional to 1,928.69, 2,661.61 and 1,044.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,928.69 : 2,661.61 = 1,044.50 : x
2. Step 2: Convert to fraction form
   1,928.69/2,661.61 = 1,044.50/x
3. Step 3: Cross multiply
   1,928.69x = 2,661.61 × 1,044.50
4. Step 4: Simplify right side
   1,928.69x = 2,780,046.42
5. Step 5: Solve for x
   x = 2,780,046.42/1,928.69
6. Step 6: Final answer
   x = 1,441.42