Finding the Fourth Proportional to 3,506.34, 4,836.45 and 2,109.09

Step by Step Solution

1. Step 1: Write the proportion equation
   3,506.34 : 4,836.45 = 2,109.09 : x
2. Step 2: Convert to fraction form
   3,506.34/4,836.45 = 2,109.09/x
3. Step 3: Cross multiply
   3,506.34x = 4,836.45 × 2,109.09
4. Step 4: Simplify right side
   3,506.34x = 10,200,508.33
5. Step 5: Solve for x
   x = 10,200,508.33/3,506.34
6. Step 6: Final answer
   x = 2,909.16