Finding the Fourth Proportional to 1,016.08, 1,402.18 and 550.33

Step by Step Solution

1. Step 1: Write the proportion equation
   1,016.08 : 1,402.18 = 550.33 : x
2. Step 2: Convert to fraction form
   1,016.08/1,402.18 = 550.33/x
3. Step 3: Cross multiply
   1,016.08x = 1,402.18 × 550.33
4. Step 4: Simplify right side
   1,016.08x = 771,651.96
5. Step 5: Solve for x
   x = 771,651.96/1,016.08
6. Step 6: Final answer
   x = 759.44