Finding the Fourth Proportional to 2,622.89, 3,617.55 and 1,627.62

Step by Step Solution

1. Step 1: Write the proportion equation
   2,622.89 : 3,617.55 = 1,627.62 : x
2. Step 2: Convert to fraction form
   2,622.89/3,617.55 = 1,627.62/x
3. Step 3: Cross multiply
   2,622.89x = 3,617.55 × 1,627.62
4. Step 4: Simplify right side
   2,622.89x = 5,887,996.73
5. Step 5: Solve for x
   x = 5,887,996.73/2,622.89
6. Step 6: Final answer
   x = 2,244.86