Finding the Fourth Proportional to 1,033.65, 1,426.41 and 591.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,033.65 : 1,426.41 = 591.59 : x
2. Step 2: Convert to fraction form
   1,033.65/1,426.41 = 591.59/x
3. Step 3: Cross multiply
   1,033.65x = 1,426.41 × 591.59
4. Step 4: Simplify right side
   1,033.65x = 843,853.46
5. Step 5: Solve for x
   x = 843,853.46/1,033.65
6. Step 6: Final answer
   x = 816.38