Finding the Fourth Proportional to 10,849.31, 16,273.85 and 2,641.31

Step by Step Solution

1. Step 1: Write the proportion equation
   10,849.31 : 16,273.85 = 2,641.31 : x
2. Step 2: Convert to fraction form
   10,849.31/16,273.85 = 2,641.31/x
3. Step 3: Cross multiply
   10,849.31x = 16,273.85 × 2,641.31
4. Step 4: Simplify right side
   10,849.31x = 42,984,269.54
5. Step 5: Solve for x
   x = 42,984,269.54/10,849.31
6. Step 6: Final answer
   x = 3,961.94