Finding the Fourth Proportional to 2,019.42, 3,042.96 and 1,662.21

Step by Step Solution

1. Step 1: Write the proportion equation
   2,019.42 : 3,042.96 = 1,662.21 : x
2. Step 2: Convert to fraction form
   2,019.42/3,042.96 = 1,662.21/x
3. Step 3: Cross multiply
   2,019.42x = 3,042.96 × 1,662.21
4. Step 4: Simplify right side
   2,019.42x = 5,058,038.54
5. Step 5: Solve for x
   x = 5,058,038.54/2,019.42
6. Step 6: Final answer
   x = 2,504.70