Finding the Fourth Proportional to 8,784.82, 13,168.05 and 3,850.30

Step by Step Solution

1. Step 1: Write the proportion equation
   8,784.82 : 13,168.05 = 3,850.30 : x
2. Step 2: Convert to fraction form
   8,784.82/13,168.05 = 3,850.30/x
3. Step 3: Cross multiply
   8,784.82x = 13,168.05 × 3,850.30
4. Step 4: Simplify right side
   8,784.82x = 50,700,942.92
5. Step 5: Solve for x
   x = 50,700,942.92/8,784.82
6. Step 6: Final answer
   x = 5,771.43