Finding the Fourth Proportional to 11,661.15, 17,486.56 and 3,339.27

Step by Step Solution

1. Step 1: Write the proportion equation
   11,661.15 : 17,486.56 = 3,339.27 : x
2. Step 2: Convert to fraction form
   11,661.15/17,486.56 = 3,339.27/x
3. Step 3: Cross multiply
   11,661.15x = 17,486.56 × 3,339.27
4. Step 4: Simplify right side
   11,661.15x = 58,392,345.21
5. Step 5: Solve for x
   x = 58,392,345.21/11,661.15
6. Step 6: Final answer
   x = 5,007.43