Finding the Fourth Proportional to 6,770.72, 9,343.71 and 3,786.53

Step by Step Solution

1. Step 1: Write the proportion equation
   6,770.72 : 9,343.71 = 3,786.53 : x
2. Step 2: Convert to fraction form
   6,770.72/9,343.71 = 3,786.53/x
3. Step 3: Cross multiply
   6,770.72x = 9,343.71 × 3,786.53
4. Step 4: Simplify right side
   6,770.72x = 35,380,191.51
5. Step 5: Solve for x
   x = 35,380,191.51/6,770.72
6. Step 6: Final answer
   x = 5,225.47