Finding the Fourth Proportional to 16,635.72, 24,965.46 and 12,264.60

Step by Step Solution

1. Step 1: Write the proportion equation
   16,635.72 : 24,965.46 = 12,264.60 : x
2. Step 2: Convert to fraction form
   16,635.72/24,965.46 = 12,264.60/x
3. Step 3: Cross multiply
   16,635.72x = 24,965.46 × 12,264.60
4. Step 4: Simplify right side
   16,635.72x = 306,191,380.72
5. Step 5: Solve for x
   x = 306,191,380.72/16,635.72
6. Step 6: Final answer
   x = 18,405.66