Finding the Fourth Proportional to 5,860.56, 8,086.80 and 3,764.28

Step by Step Solution

1. Step 1: Write the proportion equation
   5,860.56 : 8,086.80 = 3,764.28 : x
2. Step 2: Convert to fraction form
   5,860.56/8,086.80 = 3,764.28/x
3. Step 3: Cross multiply
   5,860.56x = 8,086.80 × 3,764.28
4. Step 4: Simplify right side
   5,860.56x = 30,440,979.50
5. Step 5: Solve for x
   x = 30,440,979.50/5,860.56
6. Step 6: Final answer
   x = 5,194.21