Finding the Fourth Proportional to 17,086.48, 25,628.46 and 8,208.16

Step by Step Solution

1. Step 1: Write the proportion equation
   17,086.48 : 25,628.46 = 8,208.16 : x
2. Step 2: Convert to fraction form
   17,086.48/25,628.46 = 8,208.16/x
3. Step 3: Cross multiply
   17,086.48x = 25,628.46 × 8,208.16
4. Step 4: Simplify right side
   17,086.48x = 210,362,500.23
5. Step 5: Solve for x
   x = 210,362,500.23/17,086.48
6. Step 6: Final answer
   x = 12,311.63