Finding the Fourth Proportional to 2,206.98, 3,306.12 and 1,589.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,206.98 : 3,306.12 = 1,589.22 : x
2. Step 2: Convert to fraction form
   2,206.98/3,306.12 = 1,589.22/x
3. Step 3: Cross multiply
   2,206.98x = 3,306.12 × 1,589.22
4. Step 4: Simplify right side
   2,206.98x = 5,254,152.03
5. Step 5: Solve for x
   x = 5,254,152.03/2,206.98
6. Step 6: Final answer
   x = 2,380.70