Finding the Fourth Proportional to 23,174.82, 31,981.23 and 12,564.36

Step by Step Solution

1. Step 1: Write the proportion equation
   23,174.82 : 31,981.23 = 12,564.36 : x
2. Step 2: Convert to fraction form
   23,174.82/31,981.23 = 12,564.36/x
3. Step 3: Cross multiply
   23,174.82x = 31,981.23 × 12,564.36
4. Step 4: Simplify right side
   23,174.82x = 401,823,686.96
5. Step 5: Solve for x
   x = 401,823,686.96/23,174.82
6. Step 6: Final answer
   x = 17,338.81