Finding the Fourth Proportional to 5,786.76, 7,980.48 and 3,796.56

Step by Step Solution

1. Step 1: Write the proportion equation
   5,786.76 : 7,980.48 = 3,796.56 : x
2. Step 2: Convert to fraction form
   5,786.76/7,980.48 = 3,796.56/x
3. Step 3: Cross multiply
   5,786.76x = 7,980.48 × 3,796.56
4. Step 4: Simplify right side
   5,786.76x = 30,298,371.15
5. Step 5: Solve for x
   x = 30,298,371.15/5,786.76
6. Step 6: Final answer
   x = 5,235.81