Finding the Fourth Proportional to 1,040.38, 1,435.71 and 568.27

Step by Step Solution

1. Step 1: Write the proportion equation
   1,040.38 : 1,435.71 = 568.27 : x
2. Step 2: Convert to fraction form
   1,040.38/1,435.71 = 568.27/x
3. Step 3: Cross multiply
   1,040.38x = 1,435.71 × 568.27
4. Step 4: Simplify right side
   1,040.38x = 815,870.92
5. Step 5: Solve for x
   x = 815,870.92/1,040.38
6. Step 6: Final answer
   x = 784.20