Finding the Fourth Proportional to 1,033.47, 1,425.72 and 613.84

Step by Step Solution

1. Step 1: Write the proportion equation
   1,033.47 : 1,425.72 = 613.84 : x
2. Step 2: Convert to fraction form
   1,033.47/1,425.72 = 613.84/x
3. Step 3: Cross multiply
   1,033.47x = 1,425.72 × 613.84
4. Step 4: Simplify right side
   1,033.47x = 875,163.96
5. Step 5: Solve for x
   x = 875,163.96/1,033.47
6. Step 6: Final answer
   x = 846.82