Finding the Fourth Proportional to 23,151.88, 31,949.59 and 12,541.60

Step by Step Solution

1. Step 1: Write the proportion equation
   23,151.88 : 31,949.59 = 12,541.60 : x
2. Step 2: Convert to fraction form
   23,151.88/31,949.59 = 12,541.60/x
3. Step 3: Cross multiply
   23,151.88x = 31,949.59 × 12,541.60
4. Step 4: Simplify right side
   23,151.88x = 400,698,818.20
5. Step 5: Solve for x
   x = 400,698,818.20/23,151.88
6. Step 6: Final answer
   x = 17,307.40