Finding the Fourth Proportional to 16,238.22, 24,352.38 and 8,442.78

Step by Step Solution

1. Step 1: Write the proportion equation
   16,238.22 : 24,352.38 = 8,442.78 : x
2. Step 2: Convert to fraction form
   16,238.22/24,352.38 = 8,442.78/x
3. Step 3: Cross multiply
   16,238.22x = 24,352.38 × 8,442.78
4. Step 4: Simplify right side
   16,238.22x = 205,601,786.82
5. Step 5: Solve for x
   x = 205,601,786.82/16,238.22
6. Step 6: Final answer
   x = 12,661.60