Finding the Fourth Proportional to 3,522.42, 4,860.60 and 2,105.83

Step by Step Solution

1. Step 1: Write the proportion equation
   3,522.42 : 4,860.60 = 2,105.83 : x
2. Step 2: Convert to fraction form
   3,522.42/4,860.60 = 2,105.83/x
3. Step 3: Cross multiply
   3,522.42x = 4,860.60 × 2,105.83
4. Step 4: Simplify right side
   3,522.42x = 10,235,597.30
5. Step 5: Solve for x
   x = 10,235,597.30/3,522.42
6. Step 6: Final answer
   x = 2,905.84