Finding the Fourth Proportional to 3,819.69, 5,692.03 and 3,694.28

Step by Step Solution

1. Step 1: Write the proportion equation
   3,819.69 : 5,692.03 = 3,694.28 : x
2. Step 2: Convert to fraction form
   3,819.69/5,692.03 = 3,694.28/x
3. Step 3: Cross multiply
   3,819.69x = 5,692.03 × 3,694.28
4. Step 4: Simplify right side
   3,819.69x = 21,027,914.89
5. Step 5: Solve for x
   x = 21,027,914.89/3,819.69
6. Step 6: Final answer
   x = 5,505.14