Finding the Fourth Proportional to 6,895.48, 9,516.06 and 3,911.30

Step by Step Solution

1. Step 1: Write the proportion equation
   6,895.48 : 9,516.06 = 3,911.30 : x
2. Step 2: Convert to fraction form
   6,895.48/9,516.06 = 3,911.30/x
3. Step 3: Cross multiply
   6,895.48x = 9,516.06 × 3,911.30
4. Step 4: Simplify right side
   6,895.48x = 37,220,165.48
5. Step 5: Solve for x
   x = 37,220,165.48/6,895.48
6. Step 6: Final answer
   x = 5,397.76