Finding the Fourth Proportional to 16,453.82, 22,706.16 and 9,380.09

Step by Step Solution

1. Step 1: Write the proportion equation
   16,453.82 : 22,706.16 = 9,380.09 : x
2. Step 2: Convert to fraction form
   16,453.82/22,706.16 = 9,380.09/x
3. Step 3: Cross multiply
   16,453.82x = 22,706.16 × 9,380.09
4. Step 4: Simplify right side
   16,453.82x = 212,985,710.82
5. Step 5: Solve for x
   x = 212,985,710.82/16,453.82
6. Step 6: Final answer
   x = 12,944.46