Finding the Fourth Proportional to 1,033.91, 1,426.38 and 591.57

Step by Step Solution

1. Step 1: Write the proportion equation
   1,033.91 : 1,426.38 = 591.57 : x
2. Step 2: Convert to fraction form
   1,033.91/1,426.38 = 591.57/x
3. Step 3: Cross multiply
   1,033.91x = 1,426.38 × 591.57
4. Step 4: Simplify right side
   1,033.91x = 843,801.40
5. Step 5: Solve for x
   x = 843,801.40/1,033.91
6. Step 6: Final answer
   x = 816.12