Finding the Fourth Proportional to 16,004.76, 22,086.54 and 8,931.12

Step by Step Solution

1. Step 1: Write the proportion equation
   16,004.76 : 22,086.54 = 8,931.12 : x
2. Step 2: Convert to fraction form
   16,004.76/22,086.54 = 8,931.12/x
3. Step 3: Cross multiply
   16,004.76x = 22,086.54 × 8,931.12
4. Step 4: Simplify right side
   16,004.76x = 197,257,539.12
5. Step 5: Solve for x
   x = 197,257,539.12/16,004.76
6. Step 6: Final answer
   x = 12,324.93