Finding the Fourth Proportional to 1,010.36, 1,394.17 and 568.23

Step by Step Solution

1. Step 1: Write the proportion equation
   1,010.36 : 1,394.17 = 568.23 : x
2. Step 2: Convert to fraction form
   1,010.36/1,394.17 = 568.23/x
3. Step 3: Cross multiply
   1,010.36x = 1,394.17 × 568.23
4. Step 4: Simplify right side
   1,010.36x = 792,209.22
5. Step 5: Solve for x
   x = 792,209.22/1,010.36
6. Step 6: Final answer
   x = 784.09