Finding the Fourth Proportional to 6,780.78, 9,356.39 and 3,796.74

Step by Step Solution

1. Step 1: Write the proportion equation
   6,780.78 : 9,356.39 = 3,796.74 : x
2. Step 2: Convert to fraction form
   6,780.78/9,356.39 = 3,796.74/x
3. Step 3: Cross multiply
   6,780.78x = 9,356.39 × 3,796.74
4. Step 4: Simplify right side
   6,780.78x = 35,523,761.18
5. Step 5: Solve for x
   x = 35,523,761.18/6,780.78
6. Step 6: Final answer
   x = 5,238.89