Finding the Fourth Proportional to 8,279.43, 11,419.83 and 5,622.23

Step by Step Solution

1. Step 1: Write the proportion equation
   8,279.43 : 11,419.83 = 5,622.23 : x
2. Step 2: Convert to fraction form
   8,279.43/11,419.83 = 5,622.23/x
3. Step 3: Cross multiply
   8,279.43x = 11,419.83 × 5,622.23
4. Step 4: Simplify right side
   8,279.43x = 64,204,853.72
5. Step 5: Solve for x
   x = 64,204,853.72/8,279.43
6. Step 6: Final answer
   x = 7,754.74