Finding the Fourth Proportional to 6,928.95, 10,394.31 and 3,179.82

Step by Step Solution

1. Step 1: Write the proportion equation
   6,928.95 : 10,394.31 = 3,179.82 : x
2. Step 2: Convert to fraction form
   6,928.95/10,394.31 = 3,179.82/x
3. Step 3: Cross multiply
   6,928.95x = 10,394.31 × 3,179.82
4. Step 4: Simplify right side
   6,928.95x = 33,052,085.73
5. Step 5: Solve for x
   x = 33,052,085.73/6,928.95
6. Step 6: Final answer
   x = 4,770.14