Finding the Fourth Proportional to 8,100.85, 11,175.89 and 4,958.86

Step by Step Solution

1. Step 1: Write the proportion equation
   8,100.85 : 11,175.89 = 4,958.86 : x
2. Step 2: Convert to fraction form
   8,100.85/11,175.89 = 4,958.86/x
3. Step 3: Cross multiply
   8,100.85x = 11,175.89 × 4,958.86
4. Step 4: Simplify right side
   8,100.85x = 55,419,673.89
5. Step 5: Solve for x
   x = 55,419,673.89/8,100.85
6. Step 6: Final answer
   x = 6,841.22