Finding the Fourth Proportional to 22,308.72, 33,457.48 and 9,164.72

Step by Step Solution

1. Step 1: Write the proportion equation
   22,308.72 : 33,457.48 = 9,164.72 : x
2. Step 2: Convert to fraction form
   22,308.72/33,457.48 = 9,164.72/x
3. Step 3: Cross multiply
   22,308.72x = 33,457.48 × 9,164.72
4. Step 4: Simplify right side
   22,308.72x = 306,628,436.11
5. Step 5: Solve for x
   x = 306,628,436.11/22,308.72
6. Step 6: Final answer
   x = 13,744.78