Finding the Fourth Proportional to 23,167.35, 31,969.89 and 12,958.92

Step by Step Solution

1. Step 1: Write the proportion equation
   23,167.35 : 31,969.89 = 12,958.92 : x
2. Step 2: Convert to fraction form
   23,167.35/31,969.89 = 12,958.92/x
3. Step 3: Cross multiply
   23,167.35x = 31,969.89 × 12,958.92
4. Step 4: Simplify right side
   23,167.35x = 414,295,246.92
5. Step 5: Solve for x
   x = 414,295,246.92/23,167.35
6. Step 6: Final answer
   x = 17,882.72