Finding the Fourth Proportional to 2,458.35, 3,393.77 and 1,620.27

Step by Step Solution

1. Step 1: Write the proportion equation
   2,458.35 : 3,393.77 = 1,620.27 : x
2. Step 2: Convert to fraction form
   2,458.35/3,393.77 = 1,620.27/x
3. Step 3: Cross multiply
   2,458.35x = 3,393.77 × 1,620.27
4. Step 4: Simplify right side
   2,458.35x = 5,498,815.62
5. Step 5: Solve for x
   x = 5,498,815.62/2,458.35
6. Step 6: Final answer
   x = 2,236.79