Finding the Fourth Proportional to 2,856.94, 4,285.29 and 882.49

Step by Step Solution

1. Step 1: Write the proportion equation
   2,856.94 : 4,285.29 = 882.49 : x
2. Step 2: Convert to fraction form
   2,856.94/4,285.29 = 882.49/x
3. Step 3: Cross multiply
   2,856.94x = 4,285.29 × 882.49
4. Step 4: Simplify right side
   2,856.94x = 3,781,704.15
5. Step 5: Solve for x
   x = 3,781,704.15/2,856.94
6. Step 6: Final answer
   x = 1,323.69