Finding the Fourth Proportional to 16,224.42, 22,389.75 and 9,150.84

Step by Step Solution

1. Step 1: Write the proportion equation
   16,224.42 : 22,389.75 = 9,150.84 : x
2. Step 2: Convert to fraction form
   16,224.42/22,389.75 = 9,150.84/x
3. Step 3: Cross multiply
   16,224.42x = 22,389.75 × 9,150.84
4. Step 4: Simplify right side
   16,224.42x = 204,885,019.89
5. Step 5: Solve for x
   x = 204,885,019.89/16,224.42
6. Step 6: Final answer
   x = 12,628.19