Finding the Fourth Proportional to 23,151.57, 31,949.32 and 12,541.20

Step by Step Solution

1. Step 1: Write the proportion equation
   23,151.57 : 31,949.32 = 12,541.20 : x
2. Step 2: Convert to fraction form
   23,151.57/31,949.32 = 12,541.20/x
3. Step 3: Cross multiply
   23,151.57x = 31,949.32 × 12,541.20
4. Step 4: Simplify right side
   23,151.57x = 400,682,684.34
5. Step 5: Solve for x
   x = 400,682,684.34/23,151.57
6. Step 6: Final answer
   x = 17,306.93