Finding the Fourth Proportional to 2,018.97, 3,012.06 and 1,909.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,018.97 : 3,012.06 = 1,909.98 : x
2. Step 2: Convert to fraction form
   2,018.97/3,012.06 = 1,909.98/x
3. Step 3: Cross multiply
   2,018.97x = 3,012.06 × 1,909.98
4. Step 4: Simplify right side
   2,018.97x = 5,752,974.36
5. Step 5: Solve for x
   x = 5,752,974.36/2,018.97
6. Step 6: Final answer
   x = 2,849.46