Finding the Fourth Proportional to 6,770.28, 9,342.89 and 3,786.09

Step by Step Solution

1. Step 1: Write the proportion equation
   6,770.28 : 9,342.89 = 3,786.09 : x
2. Step 2: Convert to fraction form
   6,770.28/9,342.89 = 3,786.09/x
3. Step 3: Cross multiply
   6,770.28x = 9,342.89 × 3,786.09
4. Step 4: Simplify right side
   6,770.28x = 35,373,056.48
5. Step 5: Solve for x
   x = 35,373,056.48/6,770.28
6. Step 6: Final answer
   x = 5,224.75