Finding the Fourth Proportional to 23,162.43, 31,964.18 and 12,552.09

Step by Step Solution

1. Step 1: Write the proportion equation
   23,162.43 : 31,964.18 = 12,552.09 : x
2. Step 2: Convert to fraction form
   23,162.43/31,964.18 = 12,552.09/x
3. Step 3: Cross multiply
   23,162.43x = 31,964.18 × 12,552.09
4. Step 4: Simplify right side
   23,162.43x = 401,217,264.14
5. Step 5: Solve for x
   x = 401,217,264.14/23,162.43
6. Step 6: Final answer
   x = 17,321.90