Finding the Fourth Proportional to 5,980.76, 8,249.77 and 3,855.50

Step by Step Solution

1. Step 1: Write the proportion equation
   5,980.76 : 8,249.77 = 3,855.50 : x
2. Step 2: Convert to fraction form
   5,980.76/8,249.77 = 3,855.50/x
3. Step 3: Cross multiply
   5,980.76x = 8,249.77 × 3,855.50
4. Step 4: Simplify right side
   5,980.76x = 31,806,993.59
5. Step 5: Solve for x
   x = 31,806,993.59/5,980.76
6. Step 6: Final answer
   x = 5,318.22