Finding the Fourth Proportional to 16,523.15, 22,801.31 and 8,969.31

Step by Step Solution

1. Step 1: Write the proportion equation
   16,523.15 : 22,801.31 = 8,969.31 : x
2. Step 2: Convert to fraction form
   16,523.15/22,801.31 = 8,969.31/x
3. Step 3: Cross multiply
   16,523.15x = 22,801.31 × 8,969.31
4. Step 4: Simplify right side
   16,523.15x = 204,512,017.80
5. Step 5: Solve for x
   x = 204,512,017.80/16,523.15
6. Step 6: Final answer
   x = 12,377.31