Finding the Fourth Proportional to 3,522.89, 4,861.25 and 2,106.29

Step by Step Solution

1. Step 1: Write the proportion equation
   3,522.89 : 4,861.25 = 2,106.29 : x
2. Step 2: Convert to fraction form
   3,522.89/4,861.25 = 2,106.29/x
3. Step 3: Cross multiply
   3,522.89x = 4,861.25 × 2,106.29
4. Step 4: Simplify right side
   3,522.89x = 10,239,203.88
5. Step 5: Solve for x
   x = 10,239,203.88/3,522.89
6. Step 6: Final answer
   x = 2,906.48