Finding the Fourth Proportional to 2,942.22, 4,408.32 and 1,626.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,942.22 : 4,408.32 = 1,626.89 : x
2. Step 2: Convert to fraction form
   2,942.22/4,408.32 = 1,626.89/x
3. Step 3: Cross multiply
   2,942.22x = 4,408.32 × 1,626.89
4. Step 4: Simplify right side
   2,942.22x = 7,171,835.78
5. Step 5: Solve for x
   x = 7,171,835.78/2,942.22
6. Step 6: Final answer
   x = 2,437.56