Finding the Fourth Proportional to 22,311.72, 33,461.98 and 9,167.72

Step by Step Solution

1. Step 1: Write the proportion equation
   22,311.72 : 33,461.98 = 9,167.72 : x
2. Step 2: Convert to fraction form
   22,311.72/33,461.98 = 9,167.72/x
3. Step 3: Cross multiply
   22,311.72x = 33,461.98 × 9,167.72
4. Step 4: Simplify right side
   22,311.72x = 306,770,063.29
5. Step 5: Solve for x
   x = 306,770,063.29/22,311.72
6. Step 6: Final answer
   x = 13,749.28