Finding the Fourth Proportional to 22,280.00, 30,747.15 and 12,209.31

Step by Step Solution

1. Step 1: Write the proportion equation
   22,280.00 : 30,747.15 = 12,209.31 : x
2. Step 2: Convert to fraction form
   22,280.00/30,747.15 = 12,209.31/x
3. Step 3: Cross multiply
   22,280.00x = 30,747.15 × 12,209.31
4. Step 4: Simplify right side
   22,280.00x = 375,401,485.97
5. Step 5: Solve for x
   x = 375,401,485.97/22,280.00
6. Step 6: Final answer
   x = 16,849.26