Finding the Fourth Proportional to 12,504.66, 17,262.71 and 9,665.62

Step by Step Solution

1. Step 1: Write the proportion equation
   12,504.66 : 17,262.71 = 9,665.62 : x
2. Step 2: Convert to fraction form
   12,504.66/17,262.71 = 9,665.62/x
3. Step 3: Cross multiply
   12,504.66x = 17,262.71 × 9,665.62
4. Step 4: Simplify right side
   12,504.66x = 166,854,795.03
5. Step 5: Solve for x
   x = 166,854,795.03/12,504.66
6. Step 6: Final answer
   x = 13,343.41