Finding the Fourth Proportional to 1,033.52, 1,425.57 and 613.55

Step by Step Solution

1. Step 1: Write the proportion equation
   1,033.52 : 1,425.57 = 613.55 : x
2. Step 2: Convert to fraction form
   1,033.52/1,425.57 = 613.55/x
3. Step 3: Cross multiply
   1,033.52x = 1,425.57 × 613.55
4. Step 4: Simplify right side
   1,033.52x = 874,651.35
5. Step 5: Solve for x
   x = 874,651.35/1,033.52
6. Step 6: Final answer
   x = 846.29