Finding the Fourth Proportional to 1,016.13, 1,402.17 and 567.99

Step by Step Solution

1. Step 1: Write the proportion equation
   1,016.13 : 1,402.17 = 567.99 : x
2. Step 2: Convert to fraction form
   1,016.13/1,402.17 = 567.99/x
3. Step 3: Cross multiply
   1,016.13x = 1,402.17 × 567.99
4. Step 4: Simplify right side
   1,016.13x = 796,418.54
5. Step 5: Solve for x
   x = 796,418.54/1,016.13
6. Step 6: Final answer
   x = 783.78