Finding the Fourth Proportional to 8,771.51, 12,105.40 and 4,995.86

Step by Step Solution

1. Step 1: Write the proportion equation
   8,771.51 : 12,105.40 = 4,995.86 : x
2. Step 2: Convert to fraction form
   8,771.51/12,105.40 = 4,995.86/x
3. Step 3: Cross multiply
   8,771.51x = 12,105.40 × 4,995.86
4. Step 4: Simplify right side
   8,771.51x = 60,476,805.94
5. Step 5: Solve for x
   x = 60,476,805.94/8,771.51
6. Step 6: Final answer
   x = 6,894.69