Finding the Fourth Proportional to 16,321.48, 24,407.50 and 12,164.38

Step by Step Solution

1. Step 1: Write the proportion equation
   16,321.48 : 24,407.50 = 12,164.38 : x
2. Step 2: Convert to fraction form
   16,321.48/24,407.50 = 12,164.38/x
3. Step 3: Cross multiply
   16,321.48x = 24,407.50 × 12,164.38
4. Step 4: Simplify right side
   16,321.48x = 296,902,104.85
5. Step 5: Solve for x
   x = 296,902,104.85/16,321.48
6. Step 6: Final answer
   x = 18,190.88