Finding the Fourth Proportional to 16,147.25, 22,277.06 and 11,908.42

Step by Step Solution

1. Step 1: Write the proportion equation
   16,147.25 : 22,277.06 = 11,908.42 : x
2. Step 2: Convert to fraction form
   16,147.25/22,277.06 = 11,908.42/x
3. Step 3: Cross multiply
   16,147.25x = 22,277.06 × 11,908.42
4. Step 4: Simplify right side
   16,147.25x = 265,284,516.27
5. Step 5: Solve for x
   x = 265,284,516.27/16,147.25
6. Step 6: Final answer
   x = 16,429.08