Finding the Fourth Proportional to 1,033.25, 1,425.88 and 591.15

Step by Step Solution

1. Step 1: Write the proportion equation
   1,033.25 : 1,425.88 = 591.15 : x
2. Step 2: Convert to fraction form
   1,033.25/1,425.88 = 591.15/x
3. Step 3: Cross multiply
   1,033.25x = 1,425.88 × 591.15
4. Step 4: Simplify right side
   1,033.25x = 842,907.48
5. Step 5: Solve for x
   x = 842,907.48/1,033.25
6. Step 6: Final answer
   x = 815.79