Finding the Fourth Proportional to 10,709.56, 16,073.94 and 8,965.48

Step by Step Solution

1. Step 1: Write the proportion equation
   10,709.56 : 16,073.94 = 8,965.48 : x
2. Step 2: Convert to fraction form
   10,709.56/16,073.94 = 8,965.48/x
3. Step 3: Cross multiply
   10,709.56x = 16,073.94 × 8,965.48
4. Step 4: Simplify right side
   10,709.56x = 144,110,587.59
5. Step 5: Solve for x
   x = 144,110,587.59/10,709.56
6. Step 6: Final answer
   x = 13,456.26