Finding the Fourth Proportional to 4,786.90, 7,168.83 and 3,243.22

Step by Step Solution

1. Step 1: Write the proportion equation
   4,786.90 : 7,168.83 = 3,243.22 : x
2. Step 2: Convert to fraction form
   4,786.90/7,168.83 = 3,243.22/x
3. Step 3: Cross multiply
   4,786.90x = 7,168.83 × 3,243.22
4. Step 4: Simplify right side
   4,786.90x = 23,250,092.83
5. Step 5: Solve for x
   x = 23,250,092.83/4,786.90
6. Step 6: Final answer
   x = 4,857.02