Finding the Fourth Proportional to 3,940.92, 5,438.52 and 2,546.10

Step by Step Solution

1. Step 1: Write the proportion equation
   3,940.92 : 5,438.52 = 2,546.10 : x
2. Step 2: Convert to fraction form
   3,940.92/5,438.52 = 2,546.10/x
3. Step 3: Cross multiply
   3,940.92x = 5,438.52 × 2,546.10
4. Step 4: Simplify right side
   3,940.92x = 13,847,015.77
5. Step 5: Solve for x
   x = 13,847,015.77/3,940.92
6. Step 6: Final answer
   x = 3,513.65