Finding the Fourth Proportional to 16,968.72, 23,416.20 and 9,516.24

Step by Step Solution

1. Step 1: Write the proportion equation
   16,968.72 : 23,416.20 = 9,516.24 : x
2. Step 2: Convert to fraction form
   16,968.72/23,416.20 = 9,516.24/x
3. Step 3: Cross multiply
   16,968.72x = 23,416.20 × 9,516.24
4. Step 4: Simplify right side
   16,968.72x = 222,834,179.09
5. Step 5: Solve for x
   x = 222,834,179.09/16,968.72
6. Step 6: Final answer
   x = 13,132.06