Finding the Fourth Proportional to 2,399.21, 3,581.69 and 2,030.06

Step by Step Solution

1. Step 1: Write the proportion equation
   2,399.21 : 3,581.69 = 2,030.06 : x
2. Step 2: Convert to fraction form
   2,399.21/3,581.69 = 2,030.06/x
3. Step 3: Cross multiply
   2,399.21x = 3,581.69 × 2,030.06
4. Step 4: Simplify right side
   2,399.21x = 7,271,017.54
5. Step 5: Solve for x
   x = 7,271,017.54/2,399.21
6. Step 6: Final answer
   x = 3,030.59