Finding the Fourth Proportional to 2,019.38, 3,026.88 and 849.11

Step by Step Solution

1. Step 1: Write the proportion equation
   2,019.38 : 3,026.88 = 849.11 : x
2. Step 2: Convert to fraction form
   2,019.38/3,026.88 = 849.11/x
3. Step 3: Cross multiply
   2,019.38x = 3,026.88 × 849.11
4. Step 4: Simplify right side
   2,019.38x = 2,570,138.94
5. Step 5: Solve for x
   x = 2,570,138.94/2,019.38
6. Step 6: Final answer
   x = 1,272.74