Finding the Fourth Proportional to 1,789.52, 2,469.28 and 1,090.76

Step by Step Solution

1. Step 1: Write the proportion equation
   1,789.52 : 2,469.28 = 1,090.76 : x
2. Step 2: Convert to fraction form
   1,789.52/2,469.28 = 1,090.76/x
3. Step 3: Cross multiply
   1,789.52x = 2,469.28 × 1,090.76
4. Step 4: Simplify right side
   1,789.52x = 2,693,391.85
5. Step 5: Solve for x
   x = 2,693,391.85/1,789.52
6. Step 6: Final answer
   x = 1,505.09