Finding the Fourth Proportional to 1,033.23, 1,425.82 and 561.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,033.23 : 1,425.82 = 561.12 : x
2. Step 2: Convert to fraction form
   1,033.23/1,425.82 = 561.12/x
3. Step 3: Cross multiply
   1,033.23x = 1,425.82 × 561.12
4. Step 4: Simplify right side
   1,033.23x = 800,056.21
5. Step 5: Solve for x
   x = 800,056.21/1,033.23
6. Step 6: Final answer
   x = 774.32