Finding the Fourth Proportional to 1,016.68, 1,402.92 and 574.62

Step by Step Solution

1. Step 1: Write the proportion equation
   1,016.68 : 1,402.92 = 574.62 : x
2. Step 2: Convert to fraction form
   1,016.68/1,402.92 = 574.62/x
3. Step 3: Cross multiply
   1,016.68x = 1,402.92 × 574.62
4. Step 4: Simplify right side
   1,016.68x = 806,145.89
5. Step 5: Solve for x
   x = 806,145.89/1,016.68
6. Step 6: Final answer
   x = 792.92