Finding the Fourth Proportional to 23,162.16, 31,963.71 and 12,551.82

Step by Step Solution

1. Step 1: Write the proportion equation
   23,162.16 : 31,963.71 = 12,551.82 : x
2. Step 2: Convert to fraction form
   23,162.16/31,963.71 = 12,551.82/x
3. Step 3: Cross multiply
   23,162.16x = 31,963.71 × 12,551.82
4. Step 4: Simplify right side
   23,162.16x = 401,202,734.45
5. Step 5: Solve for x
   x = 401,202,734.45/23,162.16
6. Step 6: Final answer
   x = 17,321.47