Finding the Fourth Proportional to 16,293.30, 22,481.88 and 9,580.32

Step by Step Solution

1. Step 1: Write the proportion equation
   16,293.30 : 22,481.88 = 9,580.32 : x
2. Step 2: Convert to fraction form
   16,293.30/22,481.88 = 9,580.32/x
3. Step 3: Cross multiply
   16,293.30x = 22,481.88 × 9,580.32
4. Step 4: Simplify right side
   16,293.30x = 215,383,604.60
5. Step 5: Solve for x
   x = 215,383,604.60/16,293.30
6. Step 6: Final answer
   x = 13,219.15