Finding the Fourth Proportional to 31,498.72, 47,233.92 and 9,304.36

Step by Step Solution

1. Step 1: Write the proportion equation
   31,498.72 : 47,233.92 = 9,304.36 : x
2. Step 2: Convert to fraction form
   31,498.72/47,233.92 = 9,304.36/x
3. Step 3: Cross multiply
   31,498.72x = 47,233.92 × 9,304.36
4. Step 4: Simplify right side
   31,498.72x = 439,481,395.89
5. Step 5: Solve for x
   x = 439,481,395.89/31,498.72
6. Step 6: Final answer
   x = 13,952.36