Finding the Fourth Proportional to 23,162.92, 31,965.24 and 12,553

Step by Step Solution

1. Step 1: Write the proportion equation
   23,162.92 : 31,965.24 = 12,553 : x
2. Step 2: Convert to fraction form
   23,162.92/31,965.24 = 12,553/x
3. Step 3: Cross multiply
   23,162.92x = 31,965.24 × 12,553
4. Step 4: Simplify right side
   23,162.92x = 401,259,657.72
5. Step 5: Solve for x
   x = 401,259,657.72/23,162.92
6. Step 6: Final answer
   x = 17,323.36