Finding the Fourth Proportional to 1,016.92, 1,403.54 and 574.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,016.92 : 1,403.54 = 574.82 : x
2. Step 2: Convert to fraction form
   1,016.92/1,403.54 = 574.82/x
3. Step 3: Cross multiply
   1,016.92x = 1,403.54 × 574.82
4. Step 4: Simplify right side
   1,016.92x = 806,782.72
5. Step 5: Solve for x
   x = 806,782.72/1,016.92
6. Step 6: Final answer
   x = 793.36