Finding the Fourth Proportional to 22,073.72, 33,105.90 and 7,279.11

Step by Step Solution

1. Step 1: Write the proportion equation
   22,073.72 : 33,105.90 = 7,279.11 : x
2. Step 2: Convert to fraction form
   22,073.72/33,105.90 = 7,279.11/x
3. Step 3: Cross multiply
   22,073.72x = 33,105.90 × 7,279.11
4. Step 4: Simplify right side
   22,073.72x = 240,981,487.75
5. Step 5: Solve for x
   x = 240,981,487.75/22,073.72
6. Step 6: Final answer
   x = 10,917.12