Finding the Fourth Proportional to 23,146.87, 31,942.63 and 12,536.47

Step by Step Solution

1. Step 1: Write the proportion equation
   23,146.87 : 31,942.63 = 12,536.47 : x
2. Step 2: Convert to fraction form
   23,146.87/31,942.63 = 12,536.47/x
3. Step 3: Cross multiply
   23,146.87x = 31,942.63 × 12,536.47
4. Step 4: Simplify right side
   23,146.87x = 400,447,822.72
5. Step 5: Solve for x
   x = 400,447,822.72/23,146.87
6. Step 6: Final answer
   x = 17,300.30