Finding the Fourth Proportional to 11,600.69, 16,015.82 and 7,628.65

Step by Step Solution

1. Step 1: Write the proportion equation
   11,600.69 : 16,015.82 = 7,628.65 : x
2. Step 2: Convert to fraction form
   11,600.69/16,015.82 = 7,628.65/x
3. Step 3: Cross multiply
   11,600.69x = 16,015.82 × 7,628.65
4. Step 4: Simplify right side
   11,600.69x = 122,179,005.16
5. Step 5: Solve for x
   x = 122,179,005.16/11,600.69
6. Step 6: Final answer
   x = 10,532.05