Finding the Fourth Proportional to 23,105.46, 31,885.44 and 12,495.09

Step by Step Solution

1. Step 1: Write the proportion equation
   23,105.46 : 31,885.44 = 12,495.09 : x
2. Step 2: Convert to fraction form
   23,105.46/31,885.44 = 12,495.09/x
3. Step 3: Cross multiply
   23,105.46x = 31,885.44 × 12,495.09
4. Step 4: Simplify right side
   23,105.46x = 398,411,442.49
5. Step 5: Solve for x
   x = 398,411,442.49/23,105.46
6. Step 6: Final answer
   x = 17,243.17