Finding the Fourth Proportional to 2,064.93, 3,097.61 and 678.29

Step by Step Solution

1. Step 1: Write the proportion equation
   2,064.93 : 3,097.61 = 678.29 : x
2. Step 2: Convert to fraction form
   2,064.93/3,097.61 = 678.29/x
3. Step 3: Cross multiply
   2,064.93x = 3,097.61 × 678.29
4. Step 4: Simplify right side
   2,064.93x = 2,101,059.01
5. Step 5: Solve for x
   x = 2,101,059.01/2,064.93
6. Step 6: Final answer
   x = 1,017.50