Finding the Fourth Proportional to 23,080.29, 31,850.76 and 12,469.89

Step by Step Solution

1. Step 1: Write the proportion equation
   23,080.29 : 31,850.76 = 12,469.89 : x
2. Step 2: Convert to fraction form
   23,080.29/31,850.76 = 12,469.89/x
3. Step 3: Cross multiply
   23,080.29x = 31,850.76 × 12,469.89
4. Step 4: Simplify right side
   23,080.29x = 397,175,473.62
5. Step 5: Solve for x
   x = 397,175,473.62/23,080.29
6. Step 6: Final answer
   x = 17,208.43