Finding the Fourth Proportional to 16,302.75, 24,379.37 and 12,145.59

Step by Step Solution

1. Step 1: Write the proportion equation
   16,302.75 : 24,379.37 = 12,145.59 : x
2. Step 2: Convert to fraction form
   16,302.75/24,379.37 = 12,145.59/x
3. Step 3: Cross multiply
   16,302.75x = 24,379.37 × 12,145.59
4. Step 4: Simplify right side
   16,302.75x = 296,101,771.75
5. Step 5: Solve for x
   x = 296,101,771.75/16,302.75
6. Step 6: Final answer
   x = 18,162.69