Finding the Fourth Proportional to 23,039.97, 31,796.82 and 12,969.42

Step by Step Solution

1. Step 1: Write the proportion equation
   23,039.97 : 31,796.82 = 12,969.42 : x
2. Step 2: Convert to fraction form
   23,039.97/31,796.82 = 12,969.42/x
3. Step 3: Cross multiply
   23,039.97x = 31,796.82 × 12,969.42
4. Step 4: Simplify right side
   23,039.97x = 412,386,313.24
5. Step 5: Solve for x
   x = 412,386,313.24/23,039.97
6. Step 6: Final answer
   x = 17,898.73