Finding the Fourth Proportional to 1,033.17, 1,425.83 and 591.15

Step by Step Solution

1. Step 1: Write the proportion equation
   1,033.17 : 1,425.83 = 591.15 : x
2. Step 2: Convert to fraction form
   1,033.17/1,425.83 = 591.15/x
3. Step 3: Cross multiply
   1,033.17x = 1,425.83 × 591.15
4. Step 4: Simplify right side
   1,033.17x = 842,876.45
5. Step 5: Solve for x
   x = 842,876.45/1,033.17
6. Step 6: Final answer
   x = 815.82