Finding the Fourth Proportional to 1,016.24, 1,402.41 and 550.49

Step by Step Solution

1. Step 1: Write the proportion equation
   1,016.24 : 1,402.41 = 550.49 : x
2. Step 2: Convert to fraction form
   1,016.24/1,402.41 = 550.49/x
3. Step 3: Cross multiply
   1,016.24x = 1,402.41 × 550.49
4. Step 4: Simplify right side
   1,016.24x = 772,016.19
5. Step 5: Solve for x
   x = 772,016.19/1,016.24
6. Step 6: Final answer
   x = 759.68