Finding the Fourth Proportional to 23,146.05, 31,941.39 and 12,535.47

Step by Step Solution

1. Step 1: Write the proportion equation
   23,146.05 : 31,941.39 = 12,535.47 : x
2. Step 2: Convert to fraction form
   23,146.05/31,941.39 = 12,535.47/x
3. Step 3: Cross multiply
   23,146.05x = 31,941.39 × 12,535.47
4. Step 4: Simplify right side
   23,146.05x = 400,400,336.10
5. Step 5: Solve for x
   x = 400,400,336.10/23,146.05
6. Step 6: Final answer
   x = 17,298.86