Finding the Fourth Proportional to 22,112.16, 33,168.17 and 8,964.50

Step by Step Solution

1. Step 1: Write the proportion equation
   22,112.16 : 33,168.17 = 8,964.50 : x
2. Step 2: Convert to fraction form
   22,112.16/33,168.17 = 8,964.50/x
3. Step 3: Cross multiply
   22,112.16x = 33,168.17 × 8,964.50
4. Step 4: Simplify right side
   22,112.16x = 297,336,015.14
5. Step 5: Solve for x
   x = 297,336,015.14/22,112.16
6. Step 6: Final answer
   x = 13,446.72