Finding the Fourth Proportional to 23,095.69, 31,871.98 and 12,485.33

Step by Step Solution

1. Step 1: Write the proportion equation
   23,095.69 : 31,871.98 = 12,485.33 : x
2. Step 2: Convert to fraction form
   23,095.69/31,871.98 = 12,485.33/x
3. Step 3: Cross multiply
   23,095.69x = 31,871.98 × 12,485.33
4. Step 4: Simplify right side
   23,095.69x = 397,932,188.05
5. Step 5: Solve for x
   x = 397,932,188.05/23,095.69
6. Step 6: Final answer
   x = 17,229.72