Finding the Fourth Proportional to 31,983.96, 47,974.86 and 8,609.52

Step by Step Solution

1. Step 1: Write the proportion equation
   31,983.96 : 47,974.86 = 8,609.52 : x
2. Step 2: Convert to fraction form
   31,983.96/47,974.86 = 8,609.52/x
3. Step 3: Cross multiply
   31,983.96x = 47,974.86 × 8,609.52
4. Step 4: Simplify right side
   31,983.96x = 413,040,516.67
5. Step 5: Solve for x
   x = 413,040,516.67/31,983.96
6. Step 6: Final answer
   x = 12,913.99