Finding the Fourth Proportional to 6,279.26, 8,665.52 and 3,553.57

Step by Step Solution

1. Step 1: Write the proportion equation
   6,279.26 : 8,665.52 = 3,553.57 : x
2. Step 2: Convert to fraction form
   6,279.26/8,665.52 = 3,553.57/x
3. Step 3: Cross multiply
   6,279.26x = 8,665.52 × 3,553.57
4. Step 4: Simplify right side
   6,279.26x = 30,793,524.97
5. Step 5: Solve for x
   x = 30,793,524.97/6,279.26
6. Step 6: Final answer
   x = 4,904.01