Finding the Fourth Proportional to 16,456.25, 22,709.23 and 9,382.25

Step by Step Solution

1. Step 1: Write the proportion equation
   16,456.25 : 22,709.23 = 9,382.25 : x
2. Step 2: Convert to fraction form
   16,456.25/22,709.23 = 9,382.25/x
3. Step 3: Cross multiply
   16,456.25x = 22,709.23 × 9,382.25
4. Step 4: Simplify right side
   16,456.25x = 213,063,706.48
5. Step 5: Solve for x
   x = 213,063,706.48/16,456.25
6. Step 6: Final answer
   x = 12,947.28