Finding the Fourth Proportional to 2,786.28, 3,844.72 and 1,544.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,786.28 : 3,844.72 = 1,544.28 : x
2. Step 2: Convert to fraction form
   2,786.28/3,844.72 = 1,544.28/x
3. Step 3: Cross multiply
   2,786.28x = 3,844.72 × 1,544.28
4. Step 4: Simplify right side
   2,786.28x = 5,937,324.20
5. Step 5: Solve for x
   x = 5,937,324.20/2,786.28
6. Step 6: Final answer
   x = 2,130.91