Finding the Fourth Proportional to 16,004.72, 22,085.20 and 8,930.99

Step by Step Solution

1. Step 1: Write the proportion equation
   16,004.72 : 22,085.20 = 8,930.99 : x
2. Step 2: Convert to fraction form
   16,004.72/22,085.20 = 8,930.99/x
3. Step 3: Cross multiply
   16,004.72x = 22,085.20 × 8,930.99
4. Step 4: Simplify right side
   16,004.72x = 197,242,700.35
5. Step 5: Solve for x
   x = 197,242,700.35/16,004.72
6. Step 6: Final answer
   x = 12,324.03