Finding the Fourth Proportional to 2,489.46, 3,434.72 and 1,441.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,489.46 : 3,434.72 = 1,441.50 : x
2. Step 2: Convert to fraction form
   2,489.46/3,434.72 = 1,441.50/x
3. Step 3: Cross multiply
   2,489.46x = 3,434.72 × 1,441.50
4. Step 4: Simplify right side
   2,489.46x = 4,951,148.88
5. Step 5: Solve for x
   x = 4,951,148.88/2,489.46
6. Step 6: Final answer
   x = 1,988.84