Finding the Fourth Proportional to 3,522.14, 4,860.21 and 2,105.54

Step by Step Solution

1. Step 1: Write the proportion equation
   3,522.14 : 4,860.21 = 2,105.54 : x
2. Step 2: Convert to fraction form
   3,522.14/4,860.21 = 2,105.54/x
3. Step 3: Cross multiply
   3,522.14x = 4,860.21 × 2,105.54
4. Step 4: Simplify right side
   3,522.14x = 10,233,356.04
5. Step 5: Solve for x
   x = 10,233,356.04/3,522.14
6. Step 6: Final answer
   x = 2,905.44