Finding the Fourth Proportional to 6,648.93, 9,179.46 and 5,910.89

Step by Step Solution

1. Step 1: Write the proportion equation
   6,648.93 : 9,179.46 = 5,910.89 : x
2. Step 2: Convert to fraction form
   6,648.93/9,179.46 = 5,910.89/x
3. Step 3: Cross multiply
   6,648.93x = 9,179.46 × 5,910.89
4. Step 4: Simplify right side
   6,648.93x = 54,258,732.42
5. Step 5: Solve for x
   x = 54,258,732.42/6,648.93
6. Step 6: Final answer
   x = 8,160.52