Finding the Fourth Proportional to 6,279.31, 8,665.52 and 3,922.82

Step by Step Solution

1. Step 1: Write the proportion equation
   6,279.31 : 8,665.52 = 3,922.82 : x
2. Step 2: Convert to fraction form
   6,279.31/8,665.52 = 3,922.82/x
3. Step 3: Cross multiply
   6,279.31x = 8,665.52 × 3,922.82
4. Step 4: Simplify right side
   6,279.31x = 33,993,275.17
5. Step 5: Solve for x
   x = 33,993,275.17/6,279.31
6. Step 6: Final answer
   x = 5,413.54