Finding the Fourth Proportional to 2,458.09, 3,684.77 and 1,578.13

Step by Step Solution

1. Step 1: Write the proportion equation
   2,458.09 : 3,684.77 = 1,578.13 : x
2. Step 2: Convert to fraction form
   2,458.09/3,684.77 = 1,578.13/x
3. Step 3: Cross multiply
   2,458.09x = 3,684.77 × 1,578.13
4. Step 4: Simplify right side
   2,458.09x = 5,815,019.77
5. Step 5: Solve for x
   x = 5,815,019.77/2,458.09
6. Step 6: Final answer
   x = 2,365.67