Finding the Fourth Proportional to 3,662.62, 5,053.54 and 2,170.28

Step by Step Solution

1. Step 1: Write the proportion equation
   3,662.62 : 5,053.54 = 2,170.28 : x
2. Step 2: Convert to fraction form
   3,662.62/5,053.54 = 2,170.28/x
3. Step 3: Cross multiply
   3,662.62x = 5,053.54 × 2,170.28
4. Step 4: Simplify right side
   3,662.62x = 10,967,560.67
5. Step 5: Solve for x
   x = 10,967,560.67/3,662.62
6. Step 6: Final answer
   x = 2,994.46