Finding the Fourth Proportional to 2,111.67, 2,907.09 and 1,849.23

Step by Step Solution

1. Step 1: Write the proportion equation
   2,111.67 : 2,907.09 = 1,849.23 : x
2. Step 2: Convert to fraction form
   2,111.67/2,907.09 = 1,849.23/x
3. Step 3: Cross multiply
   2,111.67x = 2,907.09 × 1,849.23
4. Step 4: Simplify right side
   2,111.67x = 5,375,878.04
5. Step 5: Solve for x
   x = 5,375,878.04/2,111.67
6. Step 6: Final answer
   x = 2,545.79