Finding the Fourth Proportional to 22,209.56, 30,648.22 and 12,137.52

Step by Step Solution

1. Step 1: Write the proportion equation
   22,209.56 : 30,648.22 = 12,137.52 : x
2. Step 2: Convert to fraction form
   22,209.56/30,648.22 = 12,137.52/x
3. Step 3: Cross multiply
   22,209.56x = 30,648.22 × 12,137.52
4. Step 4: Simplify right side
   22,209.56x = 371,993,383.21
5. Step 5: Solve for x
   x = 371,993,383.21/22,209.56
6. Step 6: Final answer
   x = 16,749.25