Finding the Fourth Proportional to 3,856.72, 5,322.72 and 2,284.96

Step by Step Solution

1. Step 1: Write the proportion equation
   3,856.72 : 5,322.72 = 2,284.96 : x
2. Step 2: Convert to fraction form
   3,856.72/5,322.72 = 2,284.96/x
3. Step 3: Cross multiply
   3,856.72x = 5,322.72 × 2,284.96
4. Step 4: Simplify right side
   3,856.72x = 12,162,202.29
5. Step 5: Solve for x
   x = 12,162,202.29/3,856.72
6. Step 6: Final answer
   x = 3,153.51