Finding the Fourth Proportional to 6,579.97, 9,081.59 and 3,928.84

Step by Step Solution

1. Step 1: Write the proportion equation
   6,579.97 : 9,081.59 = 3,928.84 : x
2. Step 2: Convert to fraction form
   6,579.97/9,081.59 = 3,928.84/x
3. Step 3: Cross multiply
   6,579.97x = 9,081.59 × 3,928.84
4. Step 4: Simplify right side
   6,579.97x = 35,680,071.71
5. Step 5: Solve for x
   x = 35,680,071.71/6,579.97
6. Step 6: Final answer
   x = 5,422.53