Finding the Fourth Proportional to 6,422.28, 8,863.50 and 3,627.78

Step by Step Solution

1. Step 1: Write the proportion equation
   6,422.28 : 8,863.50 = 3,627.78 : x
2. Step 2: Convert to fraction form
   6,422.28/8,863.50 = 3,627.78/x
3. Step 3: Cross multiply
   6,422.28x = 8,863.50 × 3,627.78
4. Step 4: Simplify right side
   6,422.28x = 32,154,828.03
5. Step 5: Solve for x
   x = 32,154,828.03/6,422.28
6. Step 6: Final answer
   x = 5,006.76