Finding the Fourth Proportional to 2,662.90, 3,994.05 and 1,019.41

Step by Step Solution

1. Step 1: Write the proportion equation
   2,662.90 : 3,994.05 = 1,019.41 : x
2. Step 2: Convert to fraction form
   2,662.90/3,994.05 = 1,019.41/x
3. Step 3: Cross multiply
   2,662.90x = 3,994.05 × 1,019.41
4. Step 4: Simplify right side
   2,662.90x = 4,071,574.51
5. Step 5: Solve for x
   x = 4,071,574.51/2,662.90
6. Step 6: Final answer
   x = 1,529.00