Finding the Fourth Proportional to 23,146.63, 31,942.32 and 12,536.30

Step by Step Solution

1. Step 1: Write the proportion equation
   23,146.63 : 31,942.32 = 12,536.30 : x
2. Step 2: Convert to fraction form
   23,146.63/31,942.32 = 12,536.30/x
3. Step 3: Cross multiply
   23,146.63x = 31,942.32 × 12,536.30
4. Step 4: Simplify right side
   23,146.63x = 400,438,539.06
5. Step 5: Solve for x
   x = 400,438,539.06/23,146.63
6. Step 6: Final answer
   x = 17,300.08