Finding the Fourth Proportional to 23,146.68, 31,942.50 and 12,536.28

Step by Step Solution

1. Step 1: Write the proportion equation
   23,146.68 : 31,942.50 = 12,536.28 : x
2. Step 2: Convert to fraction form
   23,146.68/31,942.50 = 12,536.28/x
3. Step 3: Cross multiply
   23,146.68x = 31,942.50 × 12,536.28
4. Step 4: Simplify right side
   23,146.68x = 400,440,123.90
5. Step 5: Solve for x
   x = 400,440,123.90/23,146.68
6. Step 6: Final answer
   x = 17,300.11