Finding the Fourth Proportional to 22,968.24, 31,696.56 and 12,759

Step by Step Solution

1. Step 1: Write the proportion equation
   22,968.24 : 31,696.56 = 12,759 : x
2. Step 2: Convert to fraction form
   22,968.24/31,696.56 = 12,759/x
3. Step 3: Cross multiply
   22,968.24x = 31,696.56 × 12,759
4. Step 4: Simplify right side
   22,968.24x = 404,416,409.04
5. Step 5: Solve for x
   x = 404,416,409.04/22,968.24
6. Step 6: Final answer
   x = 17,607.64