Finding the Fourth Proportional to 16,500.34, 22,770.32 and 9,331.67

Step by Step Solution

1. Step 1: Write the proportion equation
   16,500.34 : 22,770.32 = 9,331.67 : x
2. Step 2: Convert to fraction form
   16,500.34/22,770.32 = 9,331.67/x
3. Step 3: Cross multiply
   16,500.34x = 22,770.32 × 9,331.67
4. Step 4: Simplify right side
   16,500.34x = 212,485,042.77
5. Step 5: Solve for x
   x = 212,485,042.77/16,500.34
6. Step 6: Final answer
   x = 12,877.62