Finding the Fourth Proportional to 22,969.24, 31,697.94 and 12,760

Step by Step Solution

1. Step 1: Write the proportion equation
   22,969.24 : 31,697.94 = 12,760 : x
2. Step 2: Convert to fraction form
   22,969.24/31,697.94 = 12,760/x
3. Step 3: Cross multiply
   22,969.24x = 31,697.94 × 12,760
4. Step 4: Simplify right side
   22,969.24x = 404,465,714.40
5. Step 5: Solve for x
   x = 404,465,714.40/22,969.24
6. Step 6: Final answer
   x = 17,609.02