Finding the Fourth Proportional to 2,610.72, 3,914.15 and 966.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,610.72 : 3,914.15 = 966.96 : x
2. Step 2: Convert to fraction form
   2,610.72/3,914.15 = 966.96/x
3. Step 3: Cross multiply
   2,610.72x = 3,914.15 × 966.96
4. Step 4: Simplify right side
   2,610.72x = 3,784,821.65
5. Step 5: Solve for x
   x = 3,784,821.65/2,610.72
6. Step 6: Final answer
   x = 1,449.72