Finding the Fourth Proportional to 22,209.27, 30,647.91 and 12,137.83

Step by Step Solution

1. Step 1: Write the proportion equation
   22,209.27 : 30,647.91 = 12,137.83 : x
2. Step 2: Convert to fraction form
   22,209.27/30,647.91 = 12,137.83/x
3. Step 3: Cross multiply
   22,209.27x = 30,647.91 × 12,137.83
4. Step 4: Simplify right side
   22,209.27x = 371,998,968.20
5. Step 5: Solve for x
   x = 371,998,968.20/22,209.27
6. Step 6: Final answer
   x = 16,749.72