Finding the Fourth Proportional to 8,595.37, 12,871.16 and 5,664.79

Step by Step Solution

1. Step 1: Write the proportion equation
   8,595.37 : 12,871.16 = 5,664.79 : x
2. Step 2: Convert to fraction form
   8,595.37/12,871.16 = 5,664.79/x
3. Step 3: Cross multiply
   8,595.37x = 12,871.16 × 5,664.79
4. Step 4: Simplify right side
   8,595.37x = 72,912,418.46
5. Step 5: Solve for x
   x = 72,912,418.46/8,595.37
6. Step 6: Final answer
   x = 8,482.76