Finding the Fourth Proportional to 16,238.68, 22,387.22 and 12,146.69

Step by Step Solution

1. Step 1: Write the proportion equation
   16,238.68 : 22,387.22 = 12,146.69 : x
2. Step 2: Convert to fraction form
   16,238.68/22,387.22 = 12,146.69/x
3. Step 3: Cross multiply
   16,238.68x = 22,387.22 × 12,146.69
4. Step 4: Simplify right side
   16,238.68x = 271,930,662.09
5. Step 5: Solve for x
   x = 271,930,662.09/16,238.68
6. Step 6: Final answer
   x = 16,745.86