Finding the Fourth Proportional to 3,808.28, 5,661.04 and 3,696.18

Step by Step Solution

1. Step 1: Write the proportion equation
   3,808.28 : 5,661.04 = 3,696.18 : x
2. Step 2: Convert to fraction form
   3,808.28/5,661.04 = 3,696.18/x
3. Step 3: Cross multiply
   3,808.28x = 5,661.04 × 3,696.18
4. Step 4: Simplify right side
   3,808.28x = 20,924,222.83
5. Step 5: Solve for x
   x = 20,924,222.83/3,808.28
6. Step 6: Final answer
   x = 5,494.40