Finding the Fourth Proportional to 1,015.82, 1,401.83 and 550.07

Step by Step Solution

1. Step 1: Write the proportion equation
   1,015.82 : 1,401.83 = 550.07 : x
2. Step 2: Convert to fraction form
   1,015.82/1,401.83 = 550.07/x
3. Step 3: Cross multiply
   1,015.82x = 1,401.83 × 550.07
4. Step 4: Simplify right side
   1,015.82x = 771,104.63
5. Step 5: Solve for x
   x = 771,104.63/1,015.82
6. Step 6: Final answer
   x = 759.10