Finding the Fourth Proportional to 6,923.98, 9,555.18 and 3,939.83

Step by Step Solution

1. Step 1: Write the proportion equation
   6,923.98 : 9,555.18 = 3,939.83 : x
2. Step 2: Convert to fraction form
   6,923.98/9,555.18 = 3,939.83/x
3. Step 3: Cross multiply
   6,923.98x = 9,555.18 × 3,939.83
4. Step 4: Simplify right side
   6,923.98x = 37,645,737.04
5. Step 5: Solve for x
   x = 37,645,737.04/6,923.98
6. Step 6: Final answer
   x = 5,437.01