Finding the Fourth Proportional to 1,014.02, 1,399.38 and 571.96

Step by Step Solution

1. Step 1: Write the proportion equation
   1,014.02 : 1,399.38 = 571.96 : x
2. Step 2: Convert to fraction form
   1,014.02/1,399.38 = 571.96/x
3. Step 3: Cross multiply
   1,014.02x = 1,399.38 × 571.96
4. Step 4: Simplify right side
   1,014.02x = 800,389.38
5. Step 5: Solve for x
   x = 800,389.38/1,014.02
6. Step 6: Final answer
   x = 789.32