Finding the Fourth Proportional to 16,230.56, 24,281.78 and 12,293.17

Step by Step Solution

1. Step 1: Write the proportion equation
   16,230.56 : 24,281.78 = 12,293.17 : x
2. Step 2: Convert to fraction form
   16,230.56/24,281.78 = 12,293.17/x
3. Step 3: Cross multiply
   16,230.56x = 24,281.78 × 12,293.17
4. Step 4: Simplify right side
   16,230.56x = 298,500,031.00
5. Step 5: Solve for x
   x = 298,500,031.00/16,230.56
6. Step 6: Final answer
   x = 18,391.23