Finding the Fourth Proportional to 1,033.88, 1,426.68 and 591.71

Step by Step Solution

1. Step 1: Write the proportion equation
   1,033.88 : 1,426.68 = 591.71 : x
2. Step 2: Convert to fraction form
   1,033.88/1,426.68 = 591.71/x
3. Step 3: Cross multiply
   1,033.88x = 1,426.68 × 591.71
4. Step 4: Simplify right side
   1,033.88x = 844,173.69
5. Step 5: Solve for x
   x = 844,173.69/1,033.88
6. Step 6: Final answer
   x = 816.51