Finding the Fourth Proportional to 1,033.91, 1,426.83 and 591.95

Step by Step Solution

1. Step 1: Write the proportion equation
   1,033.91 : 1,426.83 = 591.95 : x
2. Step 2: Convert to fraction form
   1,033.91/1,426.83 = 591.95/x
3. Step 3: Cross multiply
   1,033.91x = 1,426.83 × 591.95
4. Step 4: Simplify right side
   1,033.91x = 844,612.02
5. Step 5: Solve for x
   x = 844,612.02/1,033.91
6. Step 6: Final answer
   x = 816.91