Finding the Fourth Proportional to 22,967.94, 31,694.78 and 12,899.63

Step by Step Solution

1. Step 1: Write the proportion equation
   22,967.94 : 31,694.78 = 12,899.63 : x
2. Step 2: Convert to fraction form
   22,967.94/31,694.78 = 12,899.63/x
3. Step 3: Cross multiply
   22,967.94x = 31,694.78 × 12,899.63
4. Step 4: Simplify right side
   22,967.94x = 408,850,711.96
5. Step 5: Solve for x
   x = 408,850,711.96/22,967.94
6. Step 6: Final answer
   x = 17,800.93