Finding the Fourth Proportional to 2,095.29, 2,891.59 and 1,211.09

Step by Step Solution

1. Step 1: Write the proportion equation
   2,095.29 : 2,891.59 = 1,211.09 : x
2. Step 2: Convert to fraction form
   2,095.29/2,891.59 = 1,211.09/x
3. Step 3: Cross multiply
   2,095.29x = 2,891.59 × 1,211.09
4. Step 4: Simplify right side
   2,095.29x = 3,501,975.73
5. Step 5: Solve for x
   x = 3,501,975.73/2,095.29
6. Step 6: Final answer
   x = 1,671.36