Finding the Fourth Proportional to 2,708.56, 4,061.04 and 976.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,708.56 : 4,061.04 = 976.96 : x
2. Step 2: Convert to fraction form
   2,708.56/4,061.04 = 976.96/x
3. Step 3: Cross multiply
   2,708.56x = 4,061.04 × 976.96
4. Step 4: Simplify right side
   2,708.56x = 3,967,473.64
5. Step 5: Solve for x
   x = 3,967,473.64/2,708.56
6. Step 6: Final answer
   x = 1,464.79