Finding the Fourth Proportional to 2,011.38, 3,016.72 and 550.63

Step by Step Solution

1. Step 1: Write the proportion equation
   2,011.38 : 3,016.72 = 550.63 : x
2. Step 2: Convert to fraction form
   2,011.38/3,016.72 = 550.63/x
3. Step 3: Cross multiply
   2,011.38x = 3,016.72 × 550.63
4. Step 4: Simplify right side
   2,011.38x = 1,661,096.53
5. Step 5: Solve for x
   x = 1,661,096.53/2,011.38
6. Step 6: Final answer
   x = 825.85