Finding the Fourth Proportional to 2,418.39, 3,621.38 and 2,006.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,418.39 : 3,621.38 = 2,006.30 : x
2. Step 2: Convert to fraction form
   2,418.39/3,621.38 = 2,006.30/x
3. Step 3: Cross multiply
   2,418.39x = 3,621.38 × 2,006.30
4. Step 4: Simplify right side
   2,418.39x = 7,265,573.72
5. Step 5: Solve for x
   x = 7,265,573.72/2,418.39
6. Step 6: Final answer
   x = 3,004.30