Finding the Fourth Proportional to 2,012.33, 3,018.69 and 551.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,012.33 : 3,018.69 = 551.48 : x
2. Step 2: Convert to fraction form
   2,012.33/3,018.69 = 551.48/x
3. Step 3: Cross multiply
   2,012.33x = 3,018.69 × 551.48
4. Step 4: Simplify right side
   2,012.33x = 1,664,747.16
5. Step 5: Solve for x
   x = 1,664,747.16/2,012.33
6. Step 6: Final answer
   x = 827.27