Finding the Fourth Proportional to 5,855.39, 8,078.17 and 3,730.54

Step by Step Solution

1. Step 1: Write the proportion equation
   5,855.39 : 8,078.17 = 3,730.54 : x
2. Step 2: Convert to fraction form
   5,855.39/8,078.17 = 3,730.54/x
3. Step 3: Cross multiply
   5,855.39x = 8,078.17 × 3,730.54
4. Step 4: Simplify right side
   5,855.39x = 30,135,978.75
5. Step 5: Solve for x
   x = 30,135,978.75/5,855.39
6. Step 6: Final answer
   x = 5,146.70