Finding the Fourth Proportional to 3,907.24, 5,861.94 and 3,477.40

Step by Step Solution

1. Step 1: Write the proportion equation
   3,907.24 : 5,861.94 = 3,477.40 : x
2. Step 2: Convert to fraction form
   3,907.24/5,861.94 = 3,477.40/x
3. Step 3: Cross multiply
   3,907.24x = 5,861.94 × 3,477.40
4. Step 4: Simplify right side
   3,907.24x = 20,384,310.16
5. Step 5: Solve for x
   x = 20,384,310.16/3,907.24
6. Step 6: Final answer
   x = 5,217.06