Finding the Fourth Proportional to 1,033.74, 1,426.20 and 591.32

Step by Step Solution

1. Step 1: Write the proportion equation
   1,033.74 : 1,426.20 = 591.32 : x
2. Step 2: Convert to fraction form
   1,033.74/1,426.20 = 591.32/x
3. Step 3: Cross multiply
   1,033.74x = 1,426.20 × 591.32
4. Step 4: Simplify right side
   1,033.74x = 843,333.45
5. Step 5: Solve for x
   x = 843,333.45/1,033.74
6. Step 6: Final answer
   x = 815.81