Finding the Fourth Proportional to 2,019.46, 3,030.36 and 849.38

Step by Step Solution

1. Step 1: Write the proportion equation
   2,019.46 : 3,030.36 = 849.38 : x
2. Step 2: Convert to fraction form
   2,019.46/3,030.36 = 849.38/x
3. Step 3: Cross multiply
   2,019.46x = 3,030.36 × 849.38
4. Step 4: Simplify right side
   2,019.46x = 2,573,912.03
5. Step 5: Solve for x
   x = 2,573,912.03/2,019.46
6. Step 6: Final answer
   x = 1,274.56