Finding the Fourth Proportional to 2,082.06, 3,118.55 and 1,616.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,082.06 : 3,118.55 = 1,616.22 : x
2. Step 2: Convert to fraction form
   2,082.06/3,118.55 = 1,616.22/x
3. Step 3: Cross multiply
   2,082.06x = 3,118.55 × 1,616.22
4. Step 4: Simplify right side
   2,082.06x = 5,040,254.80
5. Step 5: Solve for x
   x = 5,040,254.80/2,082.06
6. Step 6: Final answer
   x = 2,420.80