Finding the Fourth Proportional to 3,856.96, 5,322.69 and 2,285.08

Step by Step Solution

1. Step 1: Write the proportion equation
   3,856.96 : 5,322.69 = 2,285.08 : x
2. Step 2: Convert to fraction form
   3,856.96/5,322.69 = 2,285.08/x
3. Step 3: Cross multiply
   3,856.96x = 5,322.69 × 2,285.08
4. Step 4: Simplify right side
   3,856.96x = 12,162,772.47
5. Step 5: Solve for x
   x = 12,162,772.47/3,856.96
6. Step 6: Final answer
   x = 3,153.46