Finding the Fourth Proportional to 7,789.05, 10,747.62 and 4,806.09

Step by Step Solution

1. Step 1: Write the proportion equation
   7,789.05 : 10,747.62 = 4,806.09 : x
2. Step 2: Convert to fraction form
   7,789.05/10,747.62 = 4,806.09/x
3. Step 3: Cross multiply
   7,789.05x = 10,747.62 × 4,806.09
4. Step 4: Simplify right side
   7,789.05x = 51,654,029.01
5. Step 5: Solve for x
   x = 51,654,029.01/7,789.05
6. Step 6: Final answer
   x = 6,631.62