Finding the Fourth Proportional to 16,222.96, 22,388.01 and 9,148

Step by Step Solution

1. Step 1: Write the proportion equation
   16,222.96 : 22,388.01 = 9,148 : x
2. Step 2: Convert to fraction form
   16,222.96/22,388.01 = 9,148/x
3. Step 3: Cross multiply
   16,222.96x = 22,388.01 × 9,148
4. Step 4: Simplify right side
   16,222.96x = 204,805,515.48
5. Step 5: Solve for x
   x = 204,805,515.48/16,222.96
6. Step 6: Final answer
   x = 12,624.42