Finding the Fourth Proportional to 2,833.52, 4,250.34 and 885.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,833.52 : 4,250.34 = 885.78 : x
2. Step 2: Convert to fraction form
   2,833.52/4,250.34 = 885.78/x
3. Step 3: Cross multiply
   2,833.52x = 4,250.34 × 885.78
4. Step 4: Simplify right side
   2,833.52x = 3,764,866.17
5. Step 5: Solve for x
   x = 3,764,866.17/2,833.52
6. Step 6: Final answer
   x = 1,328.69