Finding the Fourth Proportional to 11,144.15, 15,366.32 and 7,105.59

Step by Step Solution

1. Step 1: Write the proportion equation
   11,144.15 : 15,366.32 = 7,105.59 : x
2. Step 2: Convert to fraction form
   11,144.15/15,366.32 = 7,105.59/x
3. Step 3: Cross multiply
   11,144.15x = 15,366.32 × 7,105.59
4. Step 4: Simplify right side
   11,144.15x = 109,186,769.73
5. Step 5: Solve for x
   x = 109,186,769.73/11,144.15
6. Step 6: Final answer
   x = 9,797.68