Finding the Fourth Proportional to 3,276.82, 4,914.42 and 2,105.56

Step by Step Solution

1. Step 1: Write the proportion equation
   3,276.82 : 4,914.42 = 2,105.56 : x
2. Step 2: Convert to fraction form
   3,276.82/4,914.42 = 2,105.56/x
3. Step 3: Cross multiply
   3,276.82x = 4,914.42 × 2,105.56
4. Step 4: Simplify right side
   3,276.82x = 10,347,606.18
5. Step 5: Solve for x
   x = 10,347,606.18/3,276.82
6. Step 6: Final answer
   x = 3,157.82