Finding the Fourth Proportional to 6,780.27, 10,171.95 and 3,660.22

Step by Step Solution

1. Step 1: Write the proportion equation
   6,780.27 : 10,171.95 = 3,660.22 : x
2. Step 2: Convert to fraction form
   6,780.27/10,171.95 = 3,660.22/x
3. Step 3: Cross multiply
   6,780.27x = 10,171.95 × 3,660.22
4. Step 4: Simplify right side
   6,780.27x = 37,231,573.82
5. Step 5: Solve for x
   x = 37,231,573.82/6,780.27
6. Step 6: Final answer
   x = 5,491.16