Finding the Fourth Proportional to 1,040.50, 1,435.89 and 574.75

Step by Step Solution

1. Step 1: Write the proportion equation
   1,040.50 : 1,435.89 = 574.75 : x
2. Step 2: Convert to fraction form
   1,040.50/1,435.89 = 574.75/x
3. Step 3: Cross multiply
   1,040.50x = 1,435.89 × 574.75
4. Step 4: Simplify right side
   1,040.50x = 825,277.78
5. Step 5: Solve for x
   x = 825,277.78/1,040.50
6. Step 6: Final answer
   x = 793.16