Finding the Fourth Proportional to 2,282.34, 3,149.55 and 1,620.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,282.34 : 3,149.55 = 1,620.30 : x
2. Step 2: Convert to fraction form
   2,282.34/3,149.55 = 1,620.30/x
3. Step 3: Cross multiply
   2,282.34x = 3,149.55 × 1,620.30
4. Step 4: Simplify right side
   2,282.34x = 5,103,215.87
5. Step 5: Solve for x
   x = 5,103,215.87/2,282.34
6. Step 6: Final answer
   x = 2,235.96