Finding the Fourth Proportional to 2,399.22, 3,311.55 and 1,562.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,399.22 : 3,311.55 = 1,562.22 : x
2. Step 2: Convert to fraction form
   2,399.22/3,311.55 = 1,562.22/x
3. Step 3: Cross multiply
   2,399.22x = 3,311.55 × 1,562.22
4. Step 4: Simplify right side
   2,399.22x = 5,173,369.64
5. Step 5: Solve for x
   x = 5,173,369.64/2,399.22
6. Step 6: Final answer
   x = 2,156.27