Finding the Fourth Proportional to 2,863.98, 4,291.89 and 1,694.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,863.98 : 4,291.89 = 1,694.22 : x
2. Step 2: Convert to fraction form
   2,863.98/4,291.89 = 1,694.22/x
3. Step 3: Cross multiply
   2,863.98x = 4,291.89 × 1,694.22
4. Step 4: Simplify right side
   2,863.98x = 7,271,405.88
5. Step 5: Solve for x
   x = 7,271,405.88/2,863.98
6. Step 6: Final answer
   x = 2,538.92