Finding the Fourth Proportional to 2,111.27, 3,163.05 and 1,185.44

Step by Step Solution

1. Step 1: Write the proportion equation
   2,111.27 : 3,163.05 = 1,185.44 : x
2. Step 2: Convert to fraction form
   2,111.27/3,163.05 = 1,185.44/x
3. Step 3: Cross multiply
   2,111.27x = 3,163.05 × 1,185.44
4. Step 4: Simplify right side
   2,111.27x = 3,749,590.18
5. Step 5: Solve for x
   x = 3,749,590.18/2,111.27
6. Step 6: Final answer
   x = 1,775.99