Finding the Fourth Proportional to 2,481.80, 3,719.98 and 1,020.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,481.80 : 3,719.98 = 1,020.56 : x
2. Step 2: Convert to fraction form
   2,481.80/3,719.98 = 1,020.56/x
3. Step 3: Cross multiply
   2,481.80x = 3,719.98 × 1,020.56
4. Step 4: Simplify right side
   2,481.80x = 3,796,462.79
5. Step 5: Solve for x
   x = 3,796,462.79/2,481.80
6. Step 6: Final answer
   x = 1,529.72