Finding the Fourth Proportional to 23,103.06, 31,882.17 and 13,031.47

Step by Step Solution

1. Step 1: Write the proportion equation
   23,103.06 : 31,882.17 = 13,031.47 : x
2. Step 2: Convert to fraction form
   23,103.06/31,882.17 = 13,031.47/x
3. Step 3: Cross multiply
   23,103.06x = 31,882.17 × 13,031.47
4. Step 4: Simplify right side
   23,103.06x = 415,471,541.89
5. Step 5: Solve for x
   x = 415,471,541.89/23,103.06
6. Step 6: Final answer
   x = 17,983.40