Finding the Fourth Proportional to 3,267.27, 4,894.16 and 2,172.15

Step by Step Solution

1. Step 1: Write the proportion equation
   3,267.27 : 4,894.16 = 2,172.15 : x
2. Step 2: Convert to fraction form
   3,267.27/4,894.16 = 2,172.15/x
3. Step 3: Cross multiply
   3,267.27x = 4,894.16 × 2,172.15
4. Step 4: Simplify right side
   3,267.27x = 10,630,838.78
5. Step 5: Solve for x
   x = 10,630,838.78/3,267.27
6. Step 6: Final answer
   x = 3,253.74