Finding the Fourth Proportional to 11,760.09, 16,216.30 and 9,365.32

Step by Step Solution

1. Step 1: Write the proportion equation
   11,760.09 : 16,216.30 = 9,365.32 : x
2. Step 2: Convert to fraction form
   11,760.09/16,216.30 = 9,365.32/x
3. Step 3: Cross multiply
   11,760.09x = 16,216.30 × 9,365.32
4. Step 4: Simplify right side
   11,760.09x = 151,870,870.69
5. Step 5: Solve for x
   x = 151,870,870.69/11,760.09
6. Step 6: Final answer
   x = 12,914.09