Finding the Fourth Proportional to 3,699.49, 5,104.83 and 2,106.35

Step by Step Solution

1. Step 1: Write the proportion equation
   3,699.49 : 5,104.83 = 2,106.35 : x
2. Step 2: Convert to fraction form
   3,699.49/5,104.83 = 2,106.35/x
3. Step 3: Cross multiply
   3,699.49x = 5,104.83 × 2,106.35
4. Step 4: Simplify right side
   3,699.49x = 10,752,533.15
5. Step 5: Solve for x
   x = 10,752,533.15/3,699.49
6. Step 6: Final answer
   x = 2,906.49