Finding the Fourth Proportional to 2,019.48, 3,030 and 1,142.97

Step by Step Solution

1. Step 1: Write the proportion equation
   2,019.48 : 3,030 = 1,142.97 : x
2. Step 2: Convert to fraction form
   2,019.48/3,030 = 1,142.97/x
3. Step 3: Cross multiply
   2,019.48x = 3,030 × 1,142.97
4. Step 4: Simplify right side
   2,019.48x = 3,463,199.10
5. Step 5: Solve for x
   x = 3,463,199.10/2,019.48
6. Step 6: Final answer
   x = 1,714.90