Finding the Fourth Proportional to 2,896.05, 4,344.09 and 704.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,896.05 : 4,344.09 = 704.78 : x
2. Step 2: Convert to fraction form
   2,896.05/4,344.09 = 704.78/x
3. Step 3: Cross multiply
   2,896.05x = 4,344.09 × 704.78
4. Step 4: Simplify right side
   2,896.05x = 3,061,606.03
5. Step 5: Solve for x
   x = 3,061,606.03/2,896.05
6. Step 6: Final answer
   x = 1,057.17