Finding the Fourth Proportional to 1,014.47, 1,399.97 and 572.37

Step by Step Solution

1. Step 1: Write the proportion equation
   1,014.47 : 1,399.97 = 572.37 : x
2. Step 2: Convert to fraction form
   1,014.47/1,399.97 = 572.37/x
3. Step 3: Cross multiply
   1,014.47x = 1,399.97 × 572.37
4. Step 4: Simplify right side
   1,014.47x = 801,300.83
5. Step 5: Solve for x
   x = 801,300.83/1,014.47
6. Step 6: Final answer
   x = 789.87