Finding the Fourth Proportional to 23,146.64, 31,942.32 and 12,536.32

Step by Step Solution

1. Step 1: Write the proportion equation
   23,146.64 : 31,942.32 = 12,536.32 : x
2. Step 2: Convert to fraction form
   23,146.64/31,942.32 = 12,536.32/x
3. Step 3: Cross multiply
   23,146.64x = 31,942.32 × 12,536.32
4. Step 4: Simplify right side
   23,146.64x = 400,439,145.06
5. Step 5: Solve for x
   x = 400,439,145.06/23,146.64
6. Step 6: Final answer
   x = 17,300.10