Finding the Fourth Proportional to 23,059.29, 31,823.37 and 12,851.91

Step by Step Solution

1. Step 1: Write the proportion equation
   23,059.29 : 31,823.37 = 12,851.91 : x
2. Step 2: Convert to fraction form
   23,059.29/31,823.37 = 12,851.91/x
3. Step 3: Cross multiply
   23,059.29x = 31,823.37 × 12,851.91
4. Step 4: Simplify right side
   23,059.29x = 408,991,087.14
5. Step 5: Solve for x
   x = 408,991,087.14/23,059.29
6. Step 6: Final answer
   x = 17,736.50