Finding the Fourth Proportional to 2,095.83, 2,891.48 and 1,211.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,095.83 : 2,891.48 = 1,211.31 : x
2. Step 2: Convert to fraction form
   2,095.83/2,891.48 = 1,211.31/x
3. Step 3: Cross multiply
   2,095.83x = 2,891.48 × 1,211.31
4. Step 4: Simplify right side
   2,095.83x = 3,502,472.58
5. Step 5: Solve for x
   x = 3,502,472.58/2,095.83
6. Step 6: Final answer
   x = 1,671.16