Finding the Fourth Proportional to 6,659.58, 9,986.46 and 3,538.83

Step by Step Solution

1. Step 1: Write the proportion equation
   6,659.58 : 9,986.46 = 3,538.83 : x
2. Step 2: Convert to fraction form
   6,659.58/9,986.46 = 3,538.83/x
3. Step 3: Cross multiply
   6,659.58x = 9,986.46 × 3,538.83
4. Step 4: Simplify right side
   6,659.58x = 35,340,380.33
5. Step 5: Solve for x
   x = 35,340,380.33/6,659.58
6. Step 6: Final answer
   x = 5,306.70