Finding the Fourth Proportional to 22,541.68, 31,105.56 and 12,469.96

Step by Step Solution

1. Step 1: Write the proportion equation
   22,541.68 : 31,105.56 = 12,469.96 : x
2. Step 2: Convert to fraction form
   22,541.68/31,105.56 = 12,469.96/x
3. Step 3: Cross multiply
   22,541.68x = 31,105.56 × 12,469.96
4. Step 4: Simplify right side
   22,541.68x = 387,885,088.98
5. Step 5: Solve for x
   x = 387,885,088.98/22,541.68
6. Step 6: Final answer
   x = 17,207.46