Finding the Fourth Proportional to 23,162.29, 31,963.98 and 12,551.83

Step by Step Solution

1. Step 1: Write the proportion equation
   23,162.29 : 31,963.98 = 12,551.83 : x
2. Step 2: Convert to fraction form
   23,162.29/31,963.98 = 12,551.83/x
3. Step 3: Cross multiply
   23,162.29x = 31,963.98 × 12,551.83
4. Step 4: Simplify right side
   23,162.29x = 401,206,410.24
5. Step 5: Solve for x
   x = 401,206,410.24/23,162.29
6. Step 6: Final answer
   x = 17,321.54