Finding the Fourth Proportional to 2,620.73, 3,616.47 and 1,441.58

Step by Step Solution

1. Step 1: Write the proportion equation
   2,620.73 : 3,616.47 = 1,441.58 : x
2. Step 2: Convert to fraction form
   2,620.73/3,616.47 = 1,441.58/x
3. Step 3: Cross multiply
   2,620.73x = 3,616.47 × 1,441.58
4. Step 4: Simplify right side
   2,620.73x = 5,213,412.74
5. Step 5: Solve for x
   x = 5,213,412.74/2,620.73
6. Step 6: Final answer
   x = 1,989.30