Finding the Fourth Proportional to 3,951.89, 5,453.96 and 2,184.06

Step by Step Solution

1. Step 1: Write the proportion equation
   3,951.89 : 5,453.96 = 2,184.06 : x
2. Step 2: Convert to fraction form
   3,951.89/5,453.96 = 2,184.06/x
3. Step 3: Cross multiply
   3,951.89x = 5,453.96 × 2,184.06
4. Step 4: Simplify right side
   3,951.89x = 11,911,775.88
5. Step 5: Solve for x
   x = 11,911,775.88/3,951.89
6. Step 6: Final answer
   x = 3,014.20