Finding the Fourth Proportional to 1,012.26, 1,396.56 and 592.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,012.26 : 1,396.56 = 592.56 : x
2. Step 2: Convert to fraction form
   1,012.26/1,396.56 = 592.56/x
3. Step 3: Cross multiply
   1,012.26x = 1,396.56 × 592.56
4. Step 4: Simplify right side
   1,012.26x = 827,545.59
5. Step 5: Solve for x
   x = 827,545.59/1,012.26
6. Step 6: Final answer
   x = 817.52