Finding the Fourth Proportional to 4,191.98, 5,782.05 and 2,863.58

Step by Step Solution

1. Step 1: Write the proportion equation
   4,191.98 : 5,782.05 = 2,863.58 : x
2. Step 2: Convert to fraction form
   4,191.98/5,782.05 = 2,863.58/x
3. Step 3: Cross multiply
   4,191.98x = 5,782.05 × 2,863.58
4. Step 4: Simplify right side
   4,191.98x = 16,557,333.83
5. Step 5: Solve for x
   x = 16,557,333.83/4,191.98
6. Step 6: Final answer
   x = 3,949.77