Finding the Fourth Proportional to 3,377.52, 4,662.46 and 2,166.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,377.52 : 4,662.46 = 2,166.72 : x
2. Step 2: Convert to fraction form
   3,377.52/4,662.46 = 2,166.72/x
3. Step 3: Cross multiply
   3,377.52x = 4,662.46 × 2,166.72
4. Step 4: Simplify right side
   3,377.52x = 10,102,245.33
5. Step 5: Solve for x
   x = 10,102,245.33/3,377.52
6. Step 6: Final answer
   x = 2,991.02