Finding the Fourth Proportional to 2,481.46, 3,723.90 and 1,020.61

Step by Step Solution

1. Step 1: Write the proportion equation
   2,481.46 : 3,723.90 = 1,020.61 : x
2. Step 2: Convert to fraction form
   2,481.46/3,723.90 = 1,020.61/x
3. Step 3: Cross multiply
   2,481.46x = 3,723.90 × 1,020.61
4. Step 4: Simplify right side
   2,481.46x = 3,800,649.58
5. Step 5: Solve for x
   x = 3,800,649.58/2,481.46
6. Step 6: Final answer
   x = 1,531.62