Finding the Fourth Proportional to 6,361.22, 8,778.69 and 3,528.56

Step by Step Solution

1. Step 1: Write the proportion equation
   6,361.22 : 8,778.69 = 3,528.56 : x
2. Step 2: Convert to fraction form
   6,361.22/8,778.69 = 3,528.56/x
3. Step 3: Cross multiply
   6,361.22x = 8,778.69 × 3,528.56
4. Step 4: Simplify right side
   6,361.22x = 30,976,134.39
5. Step 5: Solve for x
   x = 30,976,134.39/6,361.22
6. Step 6: Final answer
   x = 4,869.53