Finding the Fourth Proportional to 11,619.77, 16,014.65 and 9,481.59

Step by Step Solution

1. Step 1: Write the proportion equation
   11,619.77 : 16,014.65 = 9,481.59 : x
2. Step 2: Convert to fraction form
   11,619.77/16,014.65 = 9,481.59/x
3. Step 3: Cross multiply
   11,619.77x = 16,014.65 × 9,481.59
4. Step 4: Simplify right side
   11,619.77x = 151,844,297.89
5. Step 5: Solve for x
   x = 151,844,297.89/11,619.77
6. Step 6: Final answer
   x = 13,067.76