Finding the Fourth Proportional to 23,174.96, 31,981.60 and 12,564.56

Step by Step Solution

1. Step 1: Write the proportion equation
   23,174.96 : 31,981.60 = 12,564.56 : x
2. Step 2: Convert to fraction form
   23,174.96/31,981.60 = 12,564.56/x
3. Step 3: Cross multiply
   23,174.96x = 31,981.60 × 12,564.56
4. Step 4: Simplify right side
   23,174.96x = 401,834,732.10
5. Step 5: Solve for x
   x = 401,834,732.10/23,174.96
6. Step 6: Final answer
   x = 17,339.18