Finding the Fourth Proportional to 6,353.64, 8,767.78 and 3,520.94

Step by Step Solution

1. Step 1: Write the proportion equation
   6,353.64 : 8,767.78 = 3,520.94 : x
2. Step 2: Convert to fraction form
   6,353.64/8,767.78 = 3,520.94/x
3. Step 3: Cross multiply
   6,353.64x = 8,767.78 × 3,520.94
4. Step 4: Simplify right side
   6,353.64x = 30,870,797.71
5. Step 5: Solve for x
   x = 30,870,797.71/6,353.64
6. Step 6: Final answer
   x = 4,858.76