Finding the Fourth Proportional to 16,219.33, 22,384.82 and 9,507.60

Step by Step Solution

1. Step 1: Write the proportion equation
   16,219.33 : 22,384.82 = 9,507.60 : x
2. Step 2: Convert to fraction form
   16,219.33/22,384.82 = 9,507.60/x
3. Step 3: Cross multiply
   16,219.33x = 22,384.82 × 9,507.60
4. Step 4: Simplify right side
   16,219.33x = 212,825,938.40
5. Step 5: Solve for x
   x = 212,825,938.40/16,219.33
6. Step 6: Final answer
   x = 13,121.75