Finding the Fourth Proportional to 3,682.67, 5,072.22 and 3,185.33

Step by Step Solution

1. Step 1: Write the proportion equation
   3,682.67 : 5,072.22 = 3,185.33 : x
2. Step 2: Convert to fraction form
   3,682.67/5,072.22 = 3,185.33/x
3. Step 3: Cross multiply
   3,682.67x = 5,072.22 × 3,185.33
4. Step 4: Simplify right side
   3,682.67x = 16,156,669.17
5. Step 5: Solve for x
   x = 16,156,669.17/3,682.67
6. Step 6: Final answer
   x = 4,387.22