Finding the Fourth Proportional to 3,912.09, 5,399.10 and 2,495.82

Step by Step Solution

1. Step 1: Write the proportion equation
   3,912.09 : 5,399.10 = 2,495.82 : x
2. Step 2: Convert to fraction form
   3,912.09/5,399.10 = 2,495.82/x
3. Step 3: Cross multiply
   3,912.09x = 5,399.10 × 2,495.82
4. Step 4: Simplify right side
   3,912.09x = 13,475,181.76
5. Step 5: Solve for x
   x = 13,475,181.76/3,912.09
6. Step 6: Final answer
   x = 3,444.50