Finding the Fourth Proportional to 22,804.52, 31,469.78 and 12,868.52

Step by Step Solution

1. Step 1: Write the proportion equation
   22,804.52 : 31,469.78 = 12,868.52 : x
2. Step 2: Convert to fraction form
   22,804.52/31,469.78 = 12,868.52/x
3. Step 3: Cross multiply
   22,804.52x = 31,469.78 × 12,868.52
4. Step 4: Simplify right side
   22,804.52x = 404,969,493.33
5. Step 5: Solve for x
   x = 404,969,493.33/22,804.52
6. Step 6: Final answer
   x = 17,758.30