Finding the Fourth Proportional to 22,786.29, 31,444.29 and 12,714.54

Step by Step Solution

1. Step 1: Write the proportion equation
   22,786.29 : 31,444.29 = 12,714.54 : x
2. Step 2: Convert to fraction form
   22,786.29/31,444.29 = 12,714.54/x
3. Step 3: Cross multiply
   22,786.29x = 31,444.29 × 12,714.54
4. Step 4: Simplify right side
   22,786.29x = 399,799,682.98
5. Step 5: Solve for x
   x = 399,799,682.98/22,786.29
6. Step 6: Final answer
   x = 17,545.62