Finding the Fourth Proportional to 23,162.15, 31,963.82 and 12,551.76

Step by Step Solution

1. Step 1: Write the proportion equation
   23,162.15 : 31,963.82 = 12,551.76 : x
2. Step 2: Convert to fraction form
   23,162.15/31,963.82 = 12,551.76/x
3. Step 3: Cross multiply
   23,162.15x = 31,963.82 × 12,551.76
4. Step 4: Simplify right side
   23,162.15x = 401,202,134.56
5. Step 5: Solve for x
   x = 401,202,134.56/23,162.15
6. Step 6: Final answer
   x = 17,321.45