Finding the Fourth Proportional to 11,605.69, 16,018.49 and 7,362.61

Step by Step Solution

1. Step 1: Write the proportion equation
   11,605.69 : 16,018.49 = 7,362.61 : x
2. Step 2: Convert to fraction form
   11,605.69/16,018.49 = 7,362.61/x
3. Step 3: Cross multiply
   11,605.69x = 16,018.49 × 7,362.61
4. Step 4: Simplify right side
   11,605.69x = 117,937,894.66
5. Step 5: Solve for x
   x = 117,937,894.66/11,605.69
6. Step 6: Final answer
   x = 10,162.08