Finding the Fourth Proportional to 10,865.72, 16,299.93 and 3,844.31

Step by Step Solution

1. Step 1: Write the proportion equation
   10,865.72 : 16,299.93 = 3,844.31 : x
2. Step 2: Convert to fraction form
   10,865.72/16,299.93 = 3,844.31/x
3. Step 3: Cross multiply
   10,865.72x = 16,299.93 × 3,844.31
4. Step 4: Simplify right side
   10,865.72x = 62,661,902.40
5. Step 5: Solve for x
   x = 62,661,902.40/10,865.72
6. Step 6: Final answer
   x = 5,766.94