Finding the Fourth Proportional to 3,620.39, 4,996.15 and 2,048.78

Step by Step Solution

1. Step 1: Write the proportion equation
   3,620.39 : 4,996.15 = 2,048.78 : x
2. Step 2: Convert to fraction form
   3,620.39/4,996.15 = 2,048.78/x
3. Step 3: Cross multiply
   3,620.39x = 4,996.15 × 2,048.78
4. Step 4: Simplify right side
   3,620.39x = 10,236,019.57
5. Step 5: Solve for x
   x = 10,236,019.57/3,620.39
6. Step 6: Final answer
   x = 2,827.33