Finding the Fourth Proportional to 3,662.46, 5,053.31 and 2,170.74

Step by Step Solution

1. Step 1: Write the proportion equation
   3,662.46 : 5,053.31 = 2,170.74 : x
2. Step 2: Convert to fraction form
   3,662.46/5,053.31 = 2,170.74/x
3. Step 3: Cross multiply
   3,662.46x = 5,053.31 × 2,170.74
4. Step 4: Simplify right side
   3,662.46x = 10,969,411.30
5. Step 5: Solve for x
   x = 10,969,411.30/3,662.46
6. Step 6: Final answer
   x = 2,995.09