Finding the Fourth Proportional to 22,963.82, 31,691.90 and 12,892.92

Step by Step Solution

1. Step 1: Write the proportion equation
   22,963.82 : 31,691.90 = 12,892.92 : x
2. Step 2: Convert to fraction form
   22,963.82/31,691.90 = 12,892.92/x
3. Step 3: Cross multiply
   22,963.82x = 31,691.90 × 12,892.92
4. Step 4: Simplify right side
   22,963.82x = 408,601,131.35
5. Step 5: Solve for x
   x = 408,601,131.35/22,963.82
6. Step 6: Final answer
   x = 17,793.26