Finding the Fourth Proportional to 22,964.83, 31,689.01 and 12,894.38

Step by Step Solution

1. Step 1: Write the proportion equation
   22,964.83 : 31,689.01 = 12,894.38 : x
2. Step 2: Convert to fraction form
   22,964.83/31,689.01 = 12,894.38/x
3. Step 3: Cross multiply
   22,964.83x = 31,689.01 × 12,894.38
4. Step 4: Simplify right side
   22,964.83x = 408,609,946.08
5. Step 5: Solve for x
   x = 408,609,946.08/22,964.83
6. Step 6: Final answer
   x = 17,792.86