Finding the Fourth Proportional to 1,016.94, 1,403.46 and 574.95

Step by Step Solution

1. Step 1: Write the proportion equation
   1,016.94 : 1,403.46 = 574.95 : x
2. Step 2: Convert to fraction form
   1,016.94/1,403.46 = 574.95/x
3. Step 3: Cross multiply
   1,016.94x = 1,403.46 × 574.95
4. Step 4: Simplify right side
   1,016.94x = 806,919.33
5. Step 5: Solve for x
   x = 806,919.33/1,016.94
6. Step 6: Final answer
   x = 793.48