Finding the Fourth Proportional to 2,411.96, 3,620.16 and 1,489.32

Step by Step Solution

1. Step 1: Write the proportion equation
   2,411.96 : 3,620.16 = 1,489.32 : x
2. Step 2: Convert to fraction form
   2,411.96/3,620.16 = 1,489.32/x
3. Step 3: Cross multiply
   2,411.96x = 3,620.16 × 1,489.32
4. Step 4: Simplify right side
   2,411.96x = 5,391,576.69
5. Step 5: Solve for x
   x = 5,391,576.69/2,411.96
6. Step 6: Final answer
   x = 2,235.36