Finding the Fourth Proportional to 22,541.82, 31,107.42 and 12,469.50

Step by Step Solution

1. Step 1: Write the proportion equation
   22,541.82 : 31,107.42 = 12,469.50 : x
2. Step 2: Convert to fraction form
   22,541.82/31,107.42 = 12,469.50/x
3. Step 3: Cross multiply
   22,541.82x = 31,107.42 × 12,469.50
4. Step 4: Simplify right side
   22,541.82x = 387,893,973.69
5. Step 5: Solve for x
   x = 387,893,973.69/22,541.82
6. Step 6: Final answer
   x = 17,207.75