Finding the Fourth Proportional to 2,067.32, 3,085.85 and 1,821.29

Step by Step Solution

1. Step 1: Write the proportion equation
   2,067.32 : 3,085.85 = 1,821.29 : x
2. Step 2: Convert to fraction form
   2,067.32/3,085.85 = 1,821.29/x
3. Step 3: Cross multiply
   2,067.32x = 3,085.85 × 1,821.29
4. Step 4: Simplify right side
   2,067.32x = 5,620,206.63
5. Step 5: Solve for x
   x = 5,620,206.63/2,067.32
6. Step 6: Final answer
   x = 2,718.59