Finding the Fourth Proportional to 2,662.81, 3,994.03 and 1,019.53

Step by Step Solution

1. Step 1: Write the proportion equation
   2,662.81 : 3,994.03 = 1,019.53 : x
2. Step 2: Convert to fraction form
   2,662.81/3,994.03 = 1,019.53/x
3. Step 3: Cross multiply
   2,662.81x = 3,994.03 × 1,019.53
4. Step 4: Simplify right side
   2,662.81x = 4,072,033.41
5. Step 5: Solve for x
   x = 4,072,033.41/2,662.81
6. Step 6: Final answer
   x = 1,529.22