Finding the Fourth Proportional to 2,481.42, 3,723.05 and 1,019.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,481.42 : 3,723.05 = 1,019.78 : x
2. Step 2: Convert to fraction form
   2,481.42/3,723.05 = 1,019.78/x
3. Step 3: Cross multiply
   2,481.42x = 3,723.05 × 1,019.78
4. Step 4: Simplify right side
   2,481.42x = 3,796,691.93
5. Step 5: Solve for x
   x = 3,796,691.93/2,481.42
6. Step 6: Final answer
   x = 1,530.05