Finding the Fourth Proportional to 6,790.91, 9,371.49 and 3,958.59

Step by Step Solution

1. Step 1: Write the proportion equation
   6,790.91 : 9,371.49 = 3,958.59 : x
2. Step 2: Convert to fraction form
   6,790.91/9,371.49 = 3,958.59/x
3. Step 3: Cross multiply
   6,790.91x = 9,371.49 × 3,958.59
4. Step 4: Simplify right side
   6,790.91x = 37,097,886.60
5. Step 5: Solve for x
   x = 37,097,886.60/6,790.91
6. Step 6: Final answer
   x = 5,462.88