Finding the Fourth Proportional to 11,456.34, 17,184.56 and 5,911.38

Step by Step Solution

1. Step 1: Write the proportion equation
   11,456.34 : 17,184.56 = 5,911.38 : x
2. Step 2: Convert to fraction form
   11,456.34/17,184.56 = 5,911.38/x
3. Step 3: Cross multiply
   11,456.34x = 17,184.56 × 5,911.38
4. Step 4: Simplify right side
   11,456.34x = 101,584,434.74
5. Step 5: Solve for x
   x = 101,584,434.74/11,456.34
6. Step 6: Final answer
   x = 8,867.10