Finding the Fourth Proportional to 3,662.20, 5,053.35 and 2,170.18

Step by Step Solution

1. Step 1: Write the proportion equation
   3,662.20 : 5,053.35 = 2,170.18 : x
2. Step 2: Convert to fraction form
   3,662.20/5,053.35 = 2,170.18/x
3. Step 3: Cross multiply
   3,662.20x = 5,053.35 × 2,170.18
4. Step 4: Simplify right side
   3,662.20x = 10,966,679.10
5. Step 5: Solve for x
   x = 10,966,679.10/3,662.20
6. Step 6: Final answer
   x = 2,994.56