Finding the Fourth Proportional to 22,066.39, 33,103.86 and 7,279.57

Step by Step Solution

1. Step 1: Write the proportion equation
   22,066.39 : 33,103.86 = 7,279.57 : x
2. Step 2: Convert to fraction form
   22,066.39/33,103.86 = 7,279.57/x
3. Step 3: Cross multiply
   22,066.39x = 33,103.86 × 7,279.57
4. Step 4: Simplify right side
   22,066.39x = 240,981,866.14
5. Step 5: Solve for x
   x = 240,981,866.14/22,066.39
6. Step 6: Final answer
   x = 10,920.77