Finding the Fourth Proportional to 16,456.51, 22,709.90 and 8,902.82

Step by Step Solution

1. Step 1: Write the proportion equation
   16,456.51 : 22,709.90 = 8,902.82 : x
2. Step 2: Convert to fraction form
   16,456.51/22,709.90 = 8,902.82/x
3. Step 3: Cross multiply
   16,456.51x = 22,709.90 × 8,902.82
4. Step 4: Simplify right side
   16,456.51x = 202,182,164.18
5. Step 5: Solve for x
   x = 202,182,164.18/16,456.51
6. Step 6: Final answer
   x = 12,285.85