Finding the Fourth Proportional to 11,661.72, 17,487.41 and 3,339.84

Step by Step Solution

1. Step 1: Write the proportion equation
   11,661.72 : 17,487.41 = 3,339.84 : x
2. Step 2: Convert to fraction form
   11,661.72/17,487.41 = 3,339.84/x
3. Step 3: Cross multiply
   11,661.72x = 17,487.41 × 3,339.84
4. Step 4: Simplify right side
   11,661.72x = 58,405,134.72
5. Step 5: Solve for x
   x = 58,405,134.72/11,661.72
6. Step 6: Final answer
   x = 5,008.28