Finding the Fourth Proportional to 16,223.50, 22,386.39 and 9,507.59

Step by Step Solution

1. Step 1: Write the proportion equation
   16,223.50 : 22,386.39 = 9,507.59 : x
2. Step 2: Convert to fraction form
   16,223.50/22,386.39 = 9,507.59/x
3. Step 3: Cross multiply
   16,223.50x = 22,386.39 × 9,507.59
4. Step 4: Simplify right side
   16,223.50x = 212,840,505.77
5. Step 5: Solve for x
   x = 212,840,505.77/16,223.50
6. Step 6: Final answer
   x = 13,119.28