Finding the Fourth Proportional to 8,581.92, 12,856.01 and 5,651.34

Step by Step Solution

1. Step 1: Write the proportion equation
   8,581.92 : 12,856.01 = 5,651.34 : x
2. Step 2: Convert to fraction form
   8,581.92/12,856.01 = 5,651.34/x
3. Step 3: Cross multiply
   8,581.92x = 12,856.01 × 5,651.34
4. Step 4: Simplify right side
   8,581.92x = 72,653,655.30
5. Step 5: Solve for x
   x = 72,653,655.30/8,581.92
6. Step 6: Final answer
   x = 8,465.90