Finding the Fourth Proportional to 22,969.30, 31,695.69 and 12,896.95

Step by Step Solution

1. Step 1: Write the proportion equation
   22,969.30 : 31,695.69 = 12,896.95 : x
2. Step 2: Convert to fraction form
   22,969.30/31,695.69 = 12,896.95/x
3. Step 3: Cross multiply
   22,969.30x = 31,695.69 × 12,896.95
4. Step 4: Simplify right side
   22,969.30x = 408,777,729.15
5. Step 5: Solve for x
   x = 408,777,729.15/22,969.30
6. Step 6: Final answer
   x = 17,796.70