Finding the Fourth Proportional to 2,012.69, 3,019.01 and 551.84

Step by Step Solution

1. Step 1: Write the proportion equation
   2,012.69 : 3,019.01 = 551.84 : x
2. Step 2: Convert to fraction form
   2,012.69/3,019.01 = 551.84/x
3. Step 3: Cross multiply
   2,012.69x = 3,019.01 × 551.84
4. Step 4: Simplify right side
   2,012.69x = 1,666,010.48
5. Step 5: Solve for x
   x = 1,666,010.48/2,012.69
6. Step 6: Final answer
   x = 827.75