Finding the Fourth Proportional to 16,055.76, 24,087.31 and 8,660.06

Step by Step Solution

1. Step 1: Write the proportion equation
   16,055.76 : 24,087.31 = 8,660.06 : x
2. Step 2: Convert to fraction form
   16,055.76/24,087.31 = 8,660.06/x
3. Step 3: Cross multiply
   16,055.76x = 24,087.31 × 8,660.06
4. Step 4: Simplify right side
   16,055.76x = 208,597,498.08
5. Step 5: Solve for x
   x = 208,597,498.08/16,055.76
6. Step 6: Final answer
   x = 12,992.06