Finding the Fourth Proportional to 1,061.24, 1,593.23 and 817.92

Step by Step Solution

1. Step 1: Write the proportion equation
   1,061.24 : 1,593.23 = 817.92 : x
2. Step 2: Convert to fraction form
   1,061.24/1,593.23 = 817.92/x
3. Step 3: Cross multiply
   1,061.24x = 1,593.23 × 817.92
4. Step 4: Simplify right side
   1,061.24x = 1,303,130.59
5. Step 5: Solve for x
   x = 1,303,130.59/1,061.24
6. Step 6: Final answer
   x = 1,227.94