Finding the Fourth Proportional to 2,006.79, 3,010.56 and 911.24

Step by Step Solution

1. Step 1: Write the proportion equation
   2,006.79 : 3,010.56 = 911.24 : x
2. Step 2: Convert to fraction form
   2,006.79/3,010.56 = 911.24/x
3. Step 3: Cross multiply
   2,006.79x = 3,010.56 × 911.24
4. Step 4: Simplify right side
   2,006.79x = 2,743,342.69
5. Step 5: Solve for x
   x = 2,743,342.69/2,006.79
6. Step 6: Final answer
   x = 1,367.03