Finding the Fourth Proportional to 1,033.33, 1,426.01 and 561.23

Step by Step Solution

1. Step 1: Write the proportion equation
   1,033.33 : 1,426.01 = 561.23 : x
2. Step 2: Convert to fraction form
   1,033.33/1,426.01 = 561.23/x
3. Step 3: Cross multiply
   1,033.33x = 1,426.01 × 561.23
4. Step 4: Simplify right side
   1,033.33x = 800,309.66
5. Step 5: Solve for x
   x = 800,309.66/1,033.33
6. Step 6: Final answer
   x = 774.50