Finding the Fourth Proportional to 16,004.48, 22,086.32 and 8,931.35

Step by Step Solution

1. Step 1: Write the proportion equation
   16,004.48 : 22,086.32 = 8,931.35 : x
2. Step 2: Convert to fraction form
   16,004.48/22,086.32 = 8,931.35/x
3. Step 3: Cross multiply
   16,004.48x = 22,086.32 × 8,931.35
4. Step 4: Simplify right side
   16,004.48x = 197,260,499.04
5. Step 5: Solve for x
   x = 197,260,499.04/16,004.48
6. Step 6: Final answer
   x = 12,325.33