Finding the Fourth Proportional to 16,590.29, 22,923.72 and 13,260.56

Step by Step Solution

1. Step 1: Write the proportion equation
   16,590.29 : 22,923.72 = 13,260.56 : x
2. Step 2: Convert to fraction form
   16,590.29/22,923.72 = 13,260.56/x
3. Step 3: Cross multiply
   16,590.29x = 22,923.72 × 13,260.56
4. Step 4: Simplify right side
   16,590.29x = 303,981,249.86
5. Step 5: Solve for x
   x = 303,981,249.86/16,590.29
6. Step 6: Final answer
   x = 18,322.85