Finding the Fourth Proportional to 2,585.91, 3,880.82 and 1,894.37

Step by Step Solution

1. Step 1: Write the proportion equation
   2,585.91 : 3,880.82 = 1,894.37 : x
2. Step 2: Convert to fraction form
   2,585.91/3,880.82 = 1,894.37/x
3. Step 3: Cross multiply
   2,585.91x = 3,880.82 × 1,894.37
4. Step 4: Simplify right side
   2,585.91x = 7,351,689.58
5. Step 5: Solve for x
   x = 7,351,689.58/2,585.91
6. Step 6: Final answer
   x = 2,842.99