Finding the Fourth Proportional to 3,944.72, 5,440.20 and 2,546

Step by Step Solution

1. Step 1: Write the proportion equation
   3,944.72 : 5,440.20 = 2,546 : x
2. Step 2: Convert to fraction form
   3,944.72/5,440.20 = 2,546/x
3. Step 3: Cross multiply
   3,944.72x = 5,440.20 × 2,546
4. Step 4: Simplify right side
   3,944.72x = 13,850,749.20
5. Step 5: Solve for x
   x = 13,850,749.20/3,944.72
6. Step 6: Final answer
   x = 3,511.21