Finding the Fourth Proportional to 6,849.82, 9,453.69 and 3,866.86

Step by Step Solution

1. Step 1: Write the proportion equation
   6,849.82 : 9,453.69 = 3,866.86 : x
2. Step 2: Convert to fraction form
   6,849.82/9,453.69 = 3,866.86/x
3. Step 3: Cross multiply
   6,849.82x = 9,453.69 × 3,866.86
4. Step 4: Simplify right side
   6,849.82x = 36,556,095.71
5. Step 5: Solve for x
   x = 36,556,095.71/6,849.82
6. Step 6: Final answer
   x = 5,336.80