Finding the Fourth Proportional to 3,662.60, 5,054.39 and 2,171.25

Step by Step Solution

1. Step 1: Write the proportion equation
   3,662.60 : 5,054.39 = 2,171.25 : x
2. Step 2: Convert to fraction form
   3,662.60/5,054.39 = 2,171.25/x
3. Step 3: Cross multiply
   3,662.60x = 5,054.39 × 2,171.25
4. Step 4: Simplify right side
   3,662.60x = 10,974,333.43
5. Step 5: Solve for x
   x = 10,974,333.43/3,662.60
6. Step 6: Final answer
   x = 2,996.33