Finding the Fourth Proportional to 2,095.05, 2,891.87 and 1,211.75

Step by Step Solution

1. Step 1: Write the proportion equation
   2,095.05 : 2,891.87 = 1,211.75 : x
2. Step 2: Convert to fraction form
   2,095.05/2,891.87 = 1,211.75/x
3. Step 3: Cross multiply
   2,095.05x = 2,891.87 × 1,211.75
4. Step 4: Simplify right side
   2,095.05x = 3,504,223.47
5. Step 5: Solve for x
   x = 3,504,223.47/2,095.05
6. Step 6: Final answer
   x = 1,672.62