Finding the Fourth Proportional to 11,939.27, 17,804.69 and 10,465.33

Step by Step Solution

1. Step 1: Write the proportion equation
   11,939.27 : 17,804.69 = 10,465.33 : x
2. Step 2: Convert to fraction form
   11,939.27/17,804.69 = 10,465.33/x
3. Step 3: Cross multiply
   11,939.27x = 17,804.69 × 10,465.33
4. Step 4: Simplify right side
   11,939.27x = 186,331,852.68
5. Step 5: Solve for x
   x = 186,331,852.68/11,939.27
6. Step 6: Final answer
   x = 15,606.63