Finding the Fourth Proportional to 2,012.69, 3,018.48 and 551.49

Step by Step Solution

1. Step 1: Write the proportion equation
   2,012.69 : 3,018.48 = 551.49 : x
2. Step 2: Convert to fraction form
   2,012.69/3,018.48 = 551.49/x
3. Step 3: Cross multiply
   2,012.69x = 3,018.48 × 551.49
4. Step 4: Simplify right side
   2,012.69x = 1,664,661.54
5. Step 5: Solve for x
   x = 1,664,661.54/2,012.69
6. Step 6: Final answer
   x = 827.08