Finding the Fourth Proportional to 4,570.82, 6,848.37 and 3,086.79

Step by Step Solution

1. Step 1: Write the proportion equation
   4,570.82 : 6,848.37 = 3,086.79 : x
2. Step 2: Convert to fraction form
   4,570.82/6,848.37 = 3,086.79/x
3. Step 3: Cross multiply
   4,570.82x = 6,848.37 × 3,086.79
4. Step 4: Simplify right side
   4,570.82x = 21,139,480.03
5. Step 5: Solve for x
   x = 21,139,480.03/4,570.82
6. Step 6: Final answer
   x = 4,624.88