Finding the Fourth Proportional to 2,450, 3,383.88 and 1,620.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,450 : 3,383.88 = 1,620.56 : x
2. Step 2: Convert to fraction form
   2,450/3,383.88 = 1,620.56/x
3. Step 3: Cross multiply
   2,450x = 3,383.88 × 1,620.56
4. Step 4: Simplify right side
   2,450x = 5,483,780.57
5. Step 5: Solve for x
   x = 5,483,780.57/2,450
6. Step 6: Final answer
   x = 2,238.28