Finding the Fourth Proportional to 16,590.15, 24,885.18 and 13,662.27

Step by Step Solution

1. Step 1: Write the proportion equation
   16,590.15 : 24,885.18 = 13,662.27 : x
2. Step 2: Convert to fraction form
   16,590.15/24,885.18 = 13,662.27/x
3. Step 3: Cross multiply
   16,590.15x = 24,885.18 × 13,662.27
4. Step 4: Simplify right side
   16,590.15x = 339,988,048.16
5. Step 5: Solve for x
   x = 339,988,048.16/16,590.15
6. Step 6: Final answer
   x = 20,493.37