Finding the Fourth Proportional to 1,789.28, 2,469.52 and 1,091.04

Step by Step Solution

1. Step 1: Write the proportion equation
   1,789.28 : 2,469.52 = 1,091.04 : x
2. Step 2: Convert to fraction form
   1,789.28/2,469.52 = 1,091.04/x
3. Step 3: Cross multiply
   1,789.28x = 2,469.52 × 1,091.04
4. Step 4: Simplify right side
   1,789.28x = 2,694,345.10
5. Step 5: Solve for x
   x = 2,694,345.10/1,789.28
6. Step 6: Final answer
   x = 1,505.83