Finding the Fourth Proportional to 23,146.97, 31,942.76 and 12,536.78

Step by Step Solution

1. Step 1: Write the proportion equation
   23,146.97 : 31,942.76 = 12,536.78 : x
2. Step 2: Convert to fraction form
   23,146.97/31,942.76 = 12,536.78/x
3. Step 3: Cross multiply
   23,146.97x = 31,942.76 × 12,536.78
4. Step 4: Simplify right side
   23,146.97x = 400,459,132.32
5. Step 5: Solve for x
   x = 400,459,132.32/23,146.97
6. Step 6: Final answer
   x = 17,300.72