Finding the Fourth Proportional to 3,662.82, 5,054.28 and 2,170.20

Step by Step Solution

1. Step 1: Write the proportion equation
   3,662.82 : 5,054.28 = 2,170.20 : x
2. Step 2: Convert to fraction form
   3,662.82/5,054.28 = 2,170.20/x
3. Step 3: Cross multiply
   3,662.82x = 5,054.28 × 2,170.20
4. Step 4: Simplify right side
   3,662.82x = 10,968,798.46
5. Step 5: Solve for x
   x = 10,968,798.46/3,662.82
6. Step 6: Final answer
   x = 2,994.63