Finding the Fourth Proportional to 2,622, 3,618.27 and 1,627.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,622 : 3,618.27 = 1,627.50 : x
2. Step 2: Convert to fraction form
   2,622/3,618.27 = 1,627.50/x
3. Step 3: Cross multiply
   2,622x = 3,618.27 × 1,627.50
4. Step 4: Simplify right side
   2,622x = 5,888,734.43
5. Step 5: Solve for x
   x = 5,888,734.43/2,622
6. Step 6: Final answer
   x = 2,245.89