Finding the Fourth Proportional to 16,003.78, 22,085.28 and 8,930.50

Step by Step Solution

1. Step 1: Write the proportion equation
   16,003.78 : 22,085.28 = 8,930.50 : x
2. Step 2: Convert to fraction form
   16,003.78/22,085.28 = 8,930.50/x
3. Step 3: Cross multiply
   16,003.78x = 22,085.28 × 8,930.50
4. Step 4: Simplify right side
   16,003.78x = 197,232,593.04
5. Step 5: Solve for x
   x = 197,232,593.04/16,003.78
6. Step 6: Final answer
   x = 12,324.13