Finding the Fourth Proportional to 1,033.56, 1,426.20 and 567.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,033.56 : 1,426.20 = 567.72 : x
2. Step 2: Convert to fraction form
   1,033.56/1,426.20 = 567.72/x
3. Step 3: Cross multiply
   1,033.56x = 1,426.20 × 567.72
4. Step 4: Simplify right side
   1,033.56x = 809,682.26
5. Step 5: Solve for x
   x = 809,682.26/1,033.56
6. Step 6: Final answer
   x = 783.39