Finding the Fourth Proportional to 1,033.48, 1,426.28 and 591.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,033.48 : 1,426.28 = 591.42 : x
2. Step 2: Convert to fraction form
   1,033.48/1,426.28 = 591.42/x
3. Step 3: Cross multiply
   1,033.48x = 1,426.28 × 591.42
4. Step 4: Simplify right side
   1,033.48x = 843,530.52
5. Step 5: Solve for x
   x = 843,530.52/1,033.48
6. Step 6: Final answer
   x = 816.20