Finding the Fourth Proportional to 1,033.59, 1,426.33 and 561.48

Step by Step Solution

1. Step 1: Write the proportion equation
   1,033.59 : 1,426.33 = 561.48 : x
2. Step 2: Convert to fraction form
   1,033.59/1,426.33 = 561.48/x
3. Step 3: Cross multiply
   1,033.59x = 1,426.33 × 561.48
4. Step 4: Simplify right side
   1,033.59x = 800,845.83
5. Step 5: Solve for x
   x = 800,845.83/1,033.59
6. Step 6: Final answer
   x = 774.82