Finding the Fourth Proportional to 10,793.31, 16,162.41 and 8,605.23

Step by Step Solution

1. Step 1: Write the proportion equation
   10,793.31 : 16,162.41 = 8,605.23 : x
2. Step 2: Convert to fraction form
   10,793.31/16,162.41 = 8,605.23/x
3. Step 3: Cross multiply
   10,793.31x = 16,162.41 × 8,605.23
4. Step 4: Simplify right side
   10,793.31x = 139,081,255.40
5. Step 5: Solve for x
   x = 139,081,255.40/10,793.31
6. Step 6: Final answer
   x = 12,885.88