Finding the Fourth Proportional to 10,906.38, 16,357.82 and 3,113.37

Step by Step Solution

1. Step 1: Write the proportion equation
   10,906.38 : 16,357.82 = 3,113.37 : x
2. Step 2: Convert to fraction form
   10,906.38/16,357.82 = 3,113.37/x
3. Step 3: Cross multiply
   10,906.38x = 16,357.82 × 3,113.37
4. Step 4: Simplify right side
   10,906.38x = 50,927,930.49
5. Step 5: Solve for x
   x = 50,927,930.49/10,906.38
6. Step 6: Final answer
   x = 4,669.55