Finding the Fourth Proportional to 2,622.15, 3,616.97 and 2,061.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,622.15 : 3,616.97 = 2,061.72 : x
2. Step 2: Convert to fraction form
   2,622.15/3,616.97 = 2,061.72/x
3. Step 3: Cross multiply
   2,622.15x = 3,616.97 × 2,061.72
4. Step 4: Simplify right side
   2,622.15x = 7,457,169.08
5. Step 5: Solve for x
   x = 7,457,169.08/2,622.15
6. Step 6: Final answer
   x = 2,843.91