Finding the Fourth Proportional to 16,456.29, 22,709.59 and 8,902.63

Step by Step Solution

1. Step 1: Write the proportion equation
   16,456.29 : 22,709.59 = 8,902.63 : x
2. Step 2: Convert to fraction form
   16,456.29/22,709.59 = 8,902.63/x
3. Step 3: Cross multiply
   16,456.29x = 22,709.59 × 8,902.63
4. Step 4: Simplify right side
   16,456.29x = 202,175,077.22
5. Step 5: Solve for x
   x = 202,175,077.22/16,456.29
6. Step 6: Final answer
   x = 12,285.58