Finding the Fourth Proportional to 6,799.69, 9,383.56 and 3,815.54

Step by Step Solution

1. Step 1: Write the proportion equation
   6,799.69 : 9,383.56 = 3,815.54 : x
2. Step 2: Convert to fraction form
   6,799.69/9,383.56 = 3,815.54/x
3. Step 3: Cross multiply
   6,799.69x = 9,383.56 × 3,815.54
4. Step 4: Simplify right side
   6,799.69x = 35,803,327.25
5. Step 5: Solve for x
   x = 35,803,327.25/6,799.69
6. Step 6: Final answer
   x = 5,265.43