Finding the Fourth Proportional to 6,780.43, 9,357.15 and 3,796.12

Step by Step Solution

1. Step 1: Write the proportion equation
   6,780.43 : 9,357.15 = 3,796.12 : x
2. Step 2: Convert to fraction form
   6,780.43/9,357.15 = 3,796.12/x
3. Step 3: Cross multiply
   6,780.43x = 9,357.15 × 3,796.12
4. Step 4: Simplify right side
   6,780.43x = 35,520,864.26
5. Step 5: Solve for x
   x = 35,520,864.26/6,780.43
6. Step 6: Final answer
   x = 5,238.73