Finding the Fourth Proportional to 6,923.96, 9,555.18 and 3,939.82

Step by Step Solution

1. Step 1: Write the proportion equation
   6,923.96 : 9,555.18 = 3,939.82 : x
2. Step 2: Convert to fraction form
   6,923.96/9,555.18 = 3,939.82/x
3. Step 3: Cross multiply
   6,923.96x = 9,555.18 × 3,939.82
4. Step 4: Simplify right side
   6,923.96x = 37,645,689.27
5. Step 5: Solve for x
   x = 37,645,689.27/6,923.96
6. Step 6: Final answer
   x = 5,437.02