Finding the Fourth Proportional to 6,780.54, 9,357.50 and 3,796.20

Step by Step Solution

1. Step 1: Write the proportion equation
   6,780.54 : 9,357.50 = 3,796.20 : x
2. Step 2: Convert to fraction form
   6,780.54/9,357.50 = 3,796.20/x
3. Step 3: Cross multiply
   6,780.54x = 9,357.50 × 3,796.20
4. Step 4: Simplify right side
   6,780.54x = 35,522,922.52
5. Step 5: Solve for x
   x = 35,522,922.52/6,780.54
6. Step 6: Final answer
   x = 5,238.95