Finding the Fourth Proportional to 11,171.92, 16,760.56 and 3,380.24

Step by Step Solution

1. Step 1: Write the proportion equation
   11,171.92 : 16,760.56 = 3,380.24 : x
2. Step 2: Convert to fraction form
   11,171.92/16,760.56 = 3,380.24/x
3. Step 3: Cross multiply
   11,171.92x = 16,760.56 × 3,380.24
4. Step 4: Simplify right side
   11,171.92x = 56,654,715.33
5. Step 5: Solve for x
   x = 56,654,715.33/11,171.92
6. Step 6: Final answer
   x = 5,071.17