Finding the Fourth Proportional to 3,522.43, 4,860.16 and 2,105.88

Step by Step Solution

1. Step 1: Write the proportion equation
   3,522.43 : 4,860.16 = 2,105.88 : x
2. Step 2: Convert to fraction form
   3,522.43/4,860.16 = 2,105.88/x
3. Step 3: Cross multiply
   3,522.43x = 4,860.16 × 2,105.88
4. Step 4: Simplify right side
   3,522.43x = 10,234,917.59
5. Step 5: Solve for x
   x = 10,234,917.59/3,522.43
6. Step 6: Final answer
   x = 2,905.64