Finding the Fourth Proportional to 22,663.92, 31,275.30 and 12,592.98

Step by Step Solution

1. Step 1: Write the proportion equation
   22,663.92 : 31,275.30 = 12,592.98 : x
2. Step 2: Convert to fraction form
   22,663.92/31,275.30 = 12,592.98/x
3. Step 3: Cross multiply
   22,663.92x = 31,275.30 × 12,592.98
4. Step 4: Simplify right side
   22,663.92x = 393,849,227.39
5. Step 5: Solve for x
   x = 393,849,227.39/22,663.92
6. Step 6: Final answer
   x = 17,377.81