Finding the Fourth Proportional to 5,863.89, 8,789.74 and 3,667.57

Step by Step Solution

1. Step 1: Write the proportion equation
   5,863.89 : 8,789.74 = 3,667.57 : x
2. Step 2: Convert to fraction form
   5,863.89/8,789.74 = 3,667.57/x
3. Step 3: Cross multiply
   5,863.89x = 8,789.74 × 3,667.57
4. Step 4: Simplify right side
   5,863.89x = 32,236,986.73
5. Step 5: Solve for x
   x = 32,236,986.73/5,863.89
6. Step 6: Final answer
   x = 5,497.54