Finding the Fourth Proportional to 23,158.91, 31,959.38 and 12,548.52

Step by Step Solution

1. Step 1: Write the proportion equation
   23,158.91 : 31,959.38 = 12,548.52 : x
2. Step 2: Convert to fraction form
   23,158.91/31,959.38 = 12,548.52/x
3. Step 3: Cross multiply
   23,158.91x = 31,959.38 × 12,548.52
4. Step 4: Simplify right side
   23,158.91x = 401,042,950.49
5. Step 5: Solve for x
   x = 401,042,950.49/23,158.91
6. Step 6: Final answer
   x = 17,317.00