Finding the Fourth Proportional to 1,016.93, 1,403.39 and 574.87

Step by Step Solution

1. Step 1: Write the proportion equation
   1,016.93 : 1,403.39 = 574.87 : x
2. Step 2: Convert to fraction form
   1,016.93/1,403.39 = 574.87/x
3. Step 3: Cross multiply
   1,016.93x = 1,403.39 × 574.87
4. Step 4: Simplify right side
   1,016.93x = 806,760.43
5. Step 5: Solve for x
   x = 806,760.43/1,016.93
6. Step 6: Final answer
   x = 793.33