Finding the Fourth Proportional to 8,581.56, 12,852.18 and 4,185.24

Step by Step Solution

1. Step 1: Write the proportion equation
   8,581.56 : 12,852.18 = 4,185.24 : x
2. Step 2: Convert to fraction form
   8,581.56/12,852.18 = 4,185.24/x
3. Step 3: Cross multiply
   8,581.56x = 12,852.18 × 4,185.24
4. Step 4: Simplify right side
   8,581.56x = 53,789,457.82
5. Step 5: Solve for x
   x = 53,789,457.82/8,581.56
6. Step 6: Final answer
   x = 6,268.03