Finding the Fourth Proportional to 6,419.27, 8,860.77 and 3,765.71

Step by Step Solution

1. Step 1: Write the proportion equation
   6,419.27 : 8,860.77 = 3,765.71 : x
2. Step 2: Convert to fraction form
   6,419.27/8,860.77 = 3,765.71/x
3. Step 3: Cross multiply
   6,419.27x = 8,860.77 × 3,765.71
4. Step 4: Simplify right side
   6,419.27x = 33,367,045.89
5. Step 5: Solve for x
   x = 33,367,045.89/6,419.27
6. Step 6: Final answer
   x = 5,197.95