Finding the Fourth Proportional to 6,422.47, 8,862.15 and 3,589.42

Step by Step Solution

1. Step 1: Write the proportion equation
   6,422.47 : 8,862.15 = 3,589.42 : x
2. Step 2: Convert to fraction form
   6,422.47/8,862.15 = 3,589.42/x
3. Step 3: Cross multiply
   6,422.47x = 8,862.15 × 3,589.42
4. Step 4: Simplify right side
   6,422.47x = 31,809,978.45
5. Step 5: Solve for x
   x = 31,809,978.45/6,422.47
6. Step 6: Final answer
   x = 4,952.92