Finding the Fourth Proportional to 5,679.89, 7,836.42 and 3,441.05

Step by Step Solution

1. Step 1: Write the proportion equation
   5,679.89 : 7,836.42 = 3,441.05 : x
2. Step 2: Convert to fraction form
   5,679.89/7,836.42 = 3,441.05/x
3. Step 3: Cross multiply
   5,679.89x = 7,836.42 × 3,441.05
4. Step 4: Simplify right side
   5,679.89x = 26,965,513.04
5. Step 5: Solve for x
   x = 26,965,513.04/5,679.89
6. Step 6: Final answer
   x = 4,747.54