Finding the Fourth Proportional to 6,019.80, 8,308.62 and 3,662.70

Step by Step Solution

1. Step 1: Write the proportion equation
   6,019.80 : 8,308.62 = 3,662.70 : x
2. Step 2: Convert to fraction form
   6,019.80/8,308.62 = 3,662.70/x
3. Step 3: Cross multiply
   6,019.80x = 8,308.62 × 3,662.70
4. Step 4: Simplify right side
   6,019.80x = 30,431,982.47
5. Step 5: Solve for x
   x = 30,431,982.47/6,019.80
6. Step 6: Final answer
   x = 5,055.31