Finding the Fourth Proportional to 16,005.54, 22,087.62 and 8,931.96

Step by Step Solution

1. Step 1: Write the proportion equation
   16,005.54 : 22,087.62 = 8,931.96 : x
2. Step 2: Convert to fraction form
   16,005.54/22,087.62 = 8,931.96/x
3. Step 3: Cross multiply
   16,005.54x = 22,087.62 × 8,931.96
4. Step 4: Simplify right side
   16,005.54x = 197,285,738.34
5. Step 5: Solve for x
   x = 197,285,738.34/16,005.54
6. Step 6: Final answer
   x = 12,326.09