Finding the Fourth Proportional to 6,105.78, 9,162.72 and 5,282.82

Step by Step Solution

1. Step 1: Write the proportion equation
   6,105.78 : 9,162.72 = 5,282.82 : x
2. Step 2: Convert to fraction form
   6,105.78/9,162.72 = 5,282.82/x
3. Step 3: Cross multiply
   6,105.78x = 9,162.72 × 5,282.82
4. Step 4: Simplify right side
   6,105.78x = 48,405,000.47
5. Step 5: Solve for x
   x = 48,405,000.47/6,105.78
6. Step 6: Final answer
   x = 7,927.73