Finding the Fourth Proportional to 8,297.16, 12,443.57 and 5,664.18

Step by Step Solution

1. Step 1: Write the proportion equation
   8,297.16 : 12,443.57 = 5,664.18 : x
2. Step 2: Convert to fraction form
   8,297.16/12,443.57 = 5,664.18/x
3. Step 3: Cross multiply
   8,297.16x = 12,443.57 × 5,664.18
4. Step 4: Simplify right side
   8,297.16x = 70,482,592.00
5. Step 5: Solve for x
   x = 70,482,592.00/8,297.16
6. Step 6: Final answer
   x = 8,494.79