Finding the Fourth Proportional to 2,065.28, 2,850.03 and 1,133.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,065.28 : 2,850.03 = 1,133.78 : x
2. Step 2: Convert to fraction form
   2,065.28/2,850.03 = 1,133.78/x
3. Step 3: Cross multiply
   2,065.28x = 2,850.03 × 1,133.78
4. Step 4: Simplify right side
   2,065.28x = 3,231,307.01
5. Step 5: Solve for x
   x = 3,231,307.01/2,065.28
6. Step 6: Final answer
   x = 1,564.59