Finding the Fourth Proportional to 23,147.05, 31,942.77 and 12,536.47

Step by Step Solution

1. Step 1: Write the proportion equation
   23,147.05 : 31,942.77 = 12,536.47 : x
2. Step 2: Convert to fraction form
   23,147.05/31,942.77 = 12,536.47/x
3. Step 3: Cross multiply
   23,147.05x = 31,942.77 × 12,536.47
4. Step 4: Simplify right side
   23,147.05x = 400,449,577.82
5. Step 5: Solve for x
   x = 400,449,577.82/23,147.05
6. Step 6: Final answer
   x = 17,300.24