Finding the Fourth Proportional to 8,595.72, 12,890.14 and 3,667.56

Step by Step Solution

1. Step 1: Write the proportion equation
   8,595.72 : 12,890.14 = 3,667.56 : x
2. Step 2: Convert to fraction form
   8,595.72/12,890.14 = 3,667.56/x
3. Step 3: Cross multiply
   8,595.72x = 12,890.14 × 3,667.56
4. Step 4: Simplify right side
   8,595.72x = 47,275,361.86
5. Step 5: Solve for x
   x = 47,275,361.86/8,595.72
6. Step 6: Final answer
   x = 5,499.87