Finding the Fourth Proportional to 12,504.26, 17,262.15 and 9,665.22

Step by Step Solution

1. Step 1: Write the proportion equation
   12,504.26 : 17,262.15 = 9,665.22 : x
2. Step 2: Convert to fraction form
   12,504.26/17,262.15 = 9,665.22/x
3. Step 3: Cross multiply
   12,504.26x = 17,262.15 × 9,665.22
4. Step 4: Simplify right side
   12,504.26x = 166,842,477.42
5. Step 5: Solve for x
   x = 166,842,477.42/12,504.26
6. Step 6: Final answer
   x = 13,342.85