Finding the Fourth Proportional to 1,033.51, 1,426.25 and 561.41

Step by Step Solution

1. Step 1: Write the proportion equation
   1,033.51 : 1,426.25 = 561.41 : x
2. Step 2: Convert to fraction form
   1,033.51/1,426.25 = 561.41/x
3. Step 3: Cross multiply
   1,033.51x = 1,426.25 × 561.41
4. Step 4: Simplify right side
   1,033.51x = 800,711.01
5. Step 5: Solve for x
   x = 800,711.01/1,033.51
6. Step 6: Final answer
   x = 774.75