Finding the Fourth Proportional to 1,033.98, 1,426.95 and 591.78

Step by Step Solution

1. Step 1: Write the proportion equation
   1,033.98 : 1,426.95 = 591.78 : x
2. Step 2: Convert to fraction form
   1,033.98/1,426.95 = 591.78/x
3. Step 3: Cross multiply
   1,033.98x = 1,426.95 × 591.78
4. Step 4: Simplify right side
   1,033.98x = 844,440.47
5. Step 5: Solve for x
   x = 844,440.47/1,033.98
6. Step 6: Final answer
   x = 816.69