Finding the Fourth Proportional to 3,856.77, 5,322.23 and 2,284.86

Step by Step Solution

1. Step 1: Write the proportion equation
   3,856.77 : 5,322.23 = 2,284.86 : x
2. Step 2: Convert to fraction form
   3,856.77/5,322.23 = 2,284.86/x
3. Step 3: Cross multiply
   3,856.77x = 5,322.23 × 2,284.86
4. Step 4: Simplify right side
   3,856.77x = 12,160,571.30
5. Step 5: Solve for x
   x = 12,160,571.30/3,856.77
6. Step 6: Final answer
   x = 3,153.05