Finding the Fourth Proportional to 31,940.01, 47,910.06 and 8,564.67

Step by Step Solution

1. Step 1: Write the proportion equation
   31,940.01 : 47,910.06 = 8,564.67 : x
2. Step 2: Convert to fraction form
   31,940.01/47,910.06 = 8,564.67/x
3. Step 3: Cross multiply
   31,940.01x = 47,910.06 × 8,564.67
4. Step 4: Simplify right side
   31,940.01x = 410,333,853.58
5. Step 5: Solve for x
   x = 410,333,853.58/31,940.01
6. Step 6: Final answer
   x = 12,847.02