Finding the Fourth Proportional to 2,608.87, 3,914.82 and 966.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,608.87 : 3,914.82 = 966.56 : x
2. Step 2: Convert to fraction form
   2,608.87/3,914.82 = 966.56/x
3. Step 3: Cross multiply
   2,608.87x = 3,914.82 × 966.56
4. Step 4: Simplify right side
   2,608.87x = 3,783,908.42
5. Step 5: Solve for x
   x = 3,783,908.42/2,608.87
6. Step 6: Final answer
   x = 1,450.40