Finding the Fourth Proportional to 2,064.88, 3,097.22 and 678.04

Step by Step Solution

1. Step 1: Write the proportion equation
   2,064.88 : 3,097.22 = 678.04 : x
2. Step 2: Convert to fraction form
   2,064.88/3,097.22 = 678.04/x
3. Step 3: Cross multiply
   2,064.88x = 3,097.22 × 678.04
4. Step 4: Simplify right side
   2,064.88x = 2,100,039.05
5. Step 5: Solve for x
   x = 2,100,039.05/2,064.88
6. Step 6: Final answer
   x = 1,017.03