Finding the Fourth Proportional to 1,016.38, 1,402.61 and 568.29

Step by Step Solution

1. Step 1: Write the proportion equation
   1,016.38 : 1,402.61 = 568.29 : x
2. Step 2: Convert to fraction form
   1,016.38/1,402.61 = 568.29/x
3. Step 3: Cross multiply
   1,016.38x = 1,402.61 × 568.29
4. Step 4: Simplify right side
   1,016.38x = 797,089.24
5. Step 5: Solve for x
   x = 797,089.24/1,016.38
6. Step 6: Final answer
   x = 784.24