Finding the Fourth Proportional to 3,856.56, 5,321.52 and 2,262.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,856.56 : 5,321.52 = 2,262.72 : x
2. Step 2: Convert to fraction form
   3,856.56/5,321.52 = 2,262.72/x
3. Step 3: Cross multiply
   3,856.56x = 5,321.52 × 2,262.72
4. Step 4: Simplify right side
   3,856.56x = 12,041,109.73
5. Step 5: Solve for x
   x = 12,041,109.73/3,856.56
6. Step 6: Final answer
   x = 3,122.24