Finding the Fourth Proportional to 5,928.86, 8,839.25 and 5,777.39

Step by Step Solution

1. Step 1: Write the proportion equation
   5,928.86 : 8,839.25 = 5,777.39 : x
2. Step 2: Convert to fraction form
   5,928.86/8,839.25 = 5,777.39/x
3. Step 3: Cross multiply
   5,928.86x = 8,839.25 × 5,777.39
4. Step 4: Simplify right side
   5,928.86x = 51,067,794.56
5. Step 5: Solve for x
   x = 51,067,794.56/5,928.86
6. Step 6: Final answer
   x = 8,613.43