Finding the Fourth Proportional to 2,622.73, 3,624.60 and 2,149.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,622.73 : 3,624.60 = 2,149.89 : x
2. Step 2: Convert to fraction form
   2,622.73/3,624.60 = 2,149.89/x
3. Step 3: Cross multiply
   2,622.73x = 3,624.60 × 2,149.89
4. Step 4: Simplify right side
   2,622.73x = 7,792,494.06
5. Step 5: Solve for x
   x = 7,792,494.06/2,622.73
6. Step 6: Final answer
   x = 2,971.14