Finding the Fourth Proportional to 3,751.89, 5,173.71 and 3,222.54

Step by Step Solution

1. Step 1: Write the proportion equation
   3,751.89 : 5,173.71 = 3,222.54 : x
2. Step 2: Convert to fraction form
   3,751.89/5,173.71 = 3,222.54/x
3. Step 3: Cross multiply
   3,751.89x = 5,173.71 × 3,222.54
4. Step 4: Simplify right side
   3,751.89x = 16,672,487.42
5. Step 5: Solve for x
   x = 16,672,487.42/3,751.89
6. Step 6: Final answer
   x = 4,443.76