Finding the Fourth Proportional to 16,085.76, 22,200.54 and 9,013.68

Step by Step Solution

1. Step 1: Write the proportion equation
   16,085.76 : 22,200.54 = 9,013.68 : x
2. Step 2: Convert to fraction form
   16,085.76/22,200.54 = 9,013.68/x
3. Step 3: Cross multiply
   16,085.76x = 22,200.54 × 9,013.68
4. Step 4: Simplify right side
   16,085.76x = 200,108,563.39
5. Step 5: Solve for x
   x = 200,108,563.39/16,085.76
6. Step 6: Final answer
   x = 12,440.11