Finding the Fourth Proportional to 10,877.31, 16,309.41 and 5,940.09

Step by Step Solution

1. Step 1: Write the proportion equation
   10,877.31 : 16,309.41 = 5,940.09 : x
2. Step 2: Convert to fraction form
   10,877.31/16,309.41 = 5,940.09/x
3. Step 3: Cross multiply
   10,877.31x = 16,309.41 × 5,940.09
4. Step 4: Simplify right side
   10,877.31x = 96,879,363.25
5. Step 5: Solve for x
   x = 96,879,363.25/10,877.31
6. Step 6: Final answer
   x = 8,906.56