Finding the Fourth Proportional to 22,663.76, 31,275.96 and 12,727.76

Step by Step Solution

1. Step 1: Write the proportion equation
   22,663.76 : 31,275.96 = 12,727.76 : x
2. Step 2: Convert to fraction form
   22,663.76/31,275.96 = 12,727.76/x
3. Step 3: Cross multiply
   22,663.76x = 31,275.96 × 12,727.76
4. Step 4: Simplify right side
   22,663.76x = 398,072,912.65
5. Step 5: Solve for x
   x = 398,072,912.65/22,663.76
6. Step 6: Final answer
   x = 17,564.29