Finding the Fourth Proportional to 8,566.75, 12,855.59 and 4,671.16

Step by Step Solution

1. Step 1: Write the proportion equation
   8,566.75 : 12,855.59 = 4,671.16 : x
2. Step 2: Convert to fraction form
   8,566.75/12,855.59 = 4,671.16/x
3. Step 3: Cross multiply
   8,566.75x = 12,855.59 × 4,671.16
4. Step 4: Simplify right side
   8,566.75x = 60,050,517.78
5. Step 5: Solve for x
   x = 60,050,517.78/8,566.75
6. Step 6: Final answer
   x = 7,009.72