Finding the Fourth Proportional to 16,209.29, 22,338.27 and 11,725.43

Step by Step Solution

1. Step 1: Write the proportion equation
   16,209.29 : 22,338.27 = 11,725.43 : x
2. Step 2: Convert to fraction form
   16,209.29/22,338.27 = 11,725.43/x
3. Step 3: Cross multiply
   16,209.29x = 22,338.27 × 11,725.43
4. Step 4: Simplify right side
   16,209.29x = 261,925,709.51
5. Step 5: Solve for x
   x = 261,925,709.51/16,209.29
6. Step 6: Final answer
   x = 16,158.99