Finding the Fourth Proportional to 1,016.37, 1,402.57 and 574.41

Step by Step Solution

1. Step 1: Write the proportion equation
   1,016.37 : 1,402.57 = 574.41 : x
2. Step 2: Convert to fraction form
   1,016.37/1,402.57 = 574.41/x
3. Step 3: Cross multiply
   1,016.37x = 1,402.57 × 574.41
4. Step 4: Simplify right side
   1,016.37x = 805,648.80
5. Step 5: Solve for x
   x = 805,648.80/1,016.37
6. Step 6: Final answer
   x = 792.67