Finding the Fourth Proportional to 3,522.98, 4,861.83 and 2,106.62

Step by Step Solution

1. Step 1: Write the proportion equation
   3,522.98 : 4,861.83 = 2,106.62 : x
2. Step 2: Convert to fraction form
   3,522.98/4,861.83 = 2,106.62/x
3. Step 3: Cross multiply
   3,522.98x = 4,861.83 × 2,106.62
4. Step 4: Simplify right side
   3,522.98x = 10,242,028.31
5. Step 5: Solve for x
   x = 10,242,028.31/3,522.98
6. Step 6: Final answer
   x = 2,907.21