Finding the Fourth Proportional to 8,496.69, 11,721.34 and 5,513.46

Step by Step Solution

1. Step 1: Write the proportion equation
   8,496.69 : 11,721.34 = 5,513.46 : x
2. Step 2: Convert to fraction form
   8,496.69/11,721.34 = 5,513.46/x
3. Step 3: Cross multiply
   8,496.69x = 11,721.34 × 5,513.46
4. Step 4: Simplify right side
   8,496.69x = 64,625,139.24
5. Step 5: Solve for x
   x = 64,625,139.24/8,496.69
6. Step 6: Final answer
   x = 7,605.92