Finding the Fourth Proportional to 2,816.82, 4,227.24 and 1,356.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,816.82 : 4,227.24 = 1,356.78 : x
2. Step 2: Convert to fraction form
   2,816.82/4,227.24 = 1,356.78/x
3. Step 3: Cross multiply
   2,816.82x = 4,227.24 × 1,356.78
4. Step 4: Simplify right side
   2,816.82x = 5,735,434.69
5. Step 5: Solve for x
   x = 5,735,434.69/2,816.82
6. Step 6: Final answer
   x = 2,036.14