Finding the Fourth Proportional to 1,016.46, 1,402.82 and 574.41

Step by Step Solution

1. Step 1: Write the proportion equation
   1,016.46 : 1,402.82 = 574.41 : x
2. Step 2: Convert to fraction form
   1,016.46/1,402.82 = 574.41/x
3. Step 3: Cross multiply
   1,016.46x = 1,402.82 × 574.41
4. Step 4: Simplify right side
   1,016.46x = 805,790.96
5. Step 5: Solve for x
   x = 805,790.96/1,016.46
6. Step 6: Final answer
   x = 792.74