Finding the Fourth Proportional to 4,172.56, 5,762.86 and 2,843.98

Step by Step Solution

1. Step 1: Write the proportion equation
   4,172.56 : 5,762.86 = 2,843.98 : x
2. Step 2: Convert to fraction form
   4,172.56/5,762.86 = 2,843.98/x
3. Step 3: Cross multiply
   4,172.56x = 5,762.86 × 2,843.98
4. Step 4: Simplify right side
   4,172.56x = 16,389,458.58
5. Step 5: Solve for x
   x = 16,389,458.58/4,172.56
6. Step 6: Final answer
   x = 3,927.91