Finding the Fourth Proportional to 23,146.88, 31,942.68 and 12,536.72

Step by Step Solution

1. Step 1: Write the proportion equation
   23,146.88 : 31,942.68 = 12,536.72 : x
2. Step 2: Convert to fraction form
   23,146.88/31,942.68 = 12,536.72/x
3. Step 3: Cross multiply
   23,146.88x = 31,942.68 × 12,536.72
4. Step 4: Simplify right side
   23,146.88x = 400,456,435.21
5. Step 5: Solve for x
   x = 400,456,435.21/23,146.88
6. Step 6: Final answer
   x = 17,300.67