Finding the Fourth Proportional to 16,117.25, 22,239.81 and 9,404.51

Step by Step Solution

1. Step 1: Write the proportion equation
   16,117.25 : 22,239.81 = 9,404.51 : x
2. Step 2: Convert to fraction form
   16,117.25/22,239.81 = 9,404.51/x
3. Step 3: Cross multiply
   16,117.25x = 22,239.81 × 9,404.51
4. Step 4: Simplify right side
   16,117.25x = 209,154,404.34
5. Step 5: Solve for x
   x = 209,154,404.34/16,117.25
6. Step 6: Final answer
   x = 12,977.06