Finding the Fourth Proportional to 6,881.32, 9,496.81 and 3,897.69

Step by Step Solution

1. Step 1: Write the proportion equation
   6,881.32 : 9,496.81 = 3,897.69 : x
2. Step 2: Convert to fraction form
   6,881.32/9,496.81 = 3,897.69/x
3. Step 3: Cross multiply
   6,881.32x = 9,496.81 × 3,897.69
4. Step 4: Simplify right side
   6,881.32x = 37,015,554.40
5. Step 5: Solve for x
   x = 37,015,554.40/6,881.32
6. Step 6: Final answer
   x = 5,379.14