Finding the Fourth Proportional to 16,401.48, 24,618.96 and 12,005.88

Step by Step Solution

1. Step 1: Write the proportion equation
   16,401.48 : 24,618.96 = 12,005.88 : x
2. Step 2: Convert to fraction form
   16,401.48/24,618.96 = 12,005.88/x
3. Step 3: Cross multiply
   16,401.48x = 24,618.96 × 12,005.88
4. Step 4: Simplify right side
   16,401.48x = 295,572,279.48
5. Step 5: Solve for x
   x = 295,572,279.48/16,401.48
6. Step 6: Final answer
   x = 18,021.07