Finding the Fourth Proportional to 2,578.94, 3,558.96 and 1,516.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,578.94 : 3,558.96 = 1,516.42 : x
2. Step 2: Convert to fraction form
   2,578.94/3,558.96 = 1,516.42/x
3. Step 3: Cross multiply
   2,578.94x = 3,558.96 × 1,516.42
4. Step 4: Simplify right side
   2,578.94x = 5,396,878.12
5. Step 5: Solve for x
   x = 5,396,878.12/2,578.94
6. Step 6: Final answer
   x = 2,092.67