Finding the Fourth Proportional to 3,766.89, 5,186.16 and 3,234.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,766.89 : 5,186.16 = 3,234.72 : x
2. Step 2: Convert to fraction form
   3,766.89/5,186.16 = 3,234.72/x
3. Step 3: Cross multiply
   3,766.89x = 5,186.16 × 3,234.72
4. Step 4: Simplify right side
   3,766.89x = 16,775,775.48
5. Step 5: Solve for x
   x = 16,775,775.48/3,766.89
6. Step 6: Final answer
   x = 4,453.48