Finding the Fourth Proportional to 2,662.38, 3,967.61 and 2,582.21

Step by Step Solution

1. Step 1: Write the proportion equation
   2,662.38 : 3,967.61 = 2,582.21 : x
2. Step 2: Convert to fraction form
   2,662.38/3,967.61 = 2,582.21/x
3. Step 3: Cross multiply
   2,662.38x = 3,967.61 × 2,582.21
4. Step 4: Simplify right side
   2,662.38x = 10,245,217.38
5. Step 5: Solve for x
   x = 10,245,217.38/2,662.38
6. Step 6: Final answer
   x = 3,848.15