Finding the Fourth Proportional to 3,806.78, 5,709.71 and 1,033.28

Step by Step Solution

1. Step 1: Write the proportion equation
   3,806.78 : 5,709.71 = 1,033.28 : x
2. Step 2: Convert to fraction form
   3,806.78/5,709.71 = 1,033.28/x
3. Step 3: Cross multiply
   3,806.78x = 5,709.71 × 1,033.28
4. Step 4: Simplify right side
   3,806.78x = 5,899,695.43
5. Step 5: Solve for x
   x = 5,899,695.43/3,806.78
6. Step 6: Final answer
   x = 1,549.79