Finding the Fourth Proportional to 11,196.93, 15,443.87 and 7,609.79

Step by Step Solution

1. Step 1: Write the proportion equation
   11,196.93 : 15,443.87 = 7,609.79 : x
2. Step 2: Convert to fraction form
   11,196.93/15,443.87 = 7,609.79/x
3. Step 3: Cross multiply
   11,196.93x = 15,443.87 × 7,609.79
4. Step 4: Simplify right side
   11,196.93x = 117,524,499.46
5. Step 5: Solve for x
   x = 117,524,499.46/11,196.93
6. Step 6: Final answer
   x = 10,496.13