Finding the Fourth Proportional to 8,595.49, 12,871.35 and 5,664.91

Step by Step Solution

1. Step 1: Write the proportion equation
   8,595.49 : 12,871.35 = 5,664.91 : x
2. Step 2: Convert to fraction form
   8,595.49/12,871.35 = 5,664.91/x
3. Step 3: Cross multiply
   8,595.49x = 12,871.35 × 5,664.91
4. Step 4: Simplify right side
   8,595.49x = 72,915,007.15
5. Step 5: Solve for x
   x = 72,915,007.15/8,595.49
6. Step 6: Final answer
   x = 8,482.94