Finding the Fourth Proportional to 6,480.82, 9,659.57 and 6,111.73

Step by Step Solution

1. Step 1: Write the proportion equation
   6,480.82 : 9,659.57 = 6,111.73 : x
2. Step 2: Convert to fraction form
   6,480.82/9,659.57 = 6,111.73/x
3. Step 3: Cross multiply
   6,480.82x = 9,659.57 × 6,111.73
4. Step 4: Simplify right side
   6,480.82x = 59,036,683.76
5. Step 5: Solve for x
   x = 59,036,683.76/6,480.82
6. Step 6: Final answer
   x = 9,109.45