Finding the Fourth Proportional to 11,019.29, 15,206.59 and 5,983.47

Step by Step Solution

1. Step 1: Write the proportion equation
   11,019.29 : 15,206.59 = 5,983.47 : x
2. Step 2: Convert to fraction form
   11,019.29/15,206.59 = 5,983.47/x
3. Step 3: Cross multiply
   11,019.29x = 15,206.59 × 5,983.47
4. Step 4: Simplify right side
   11,019.29x = 90,988,148.89
5. Step 5: Solve for x
   x = 90,988,148.89/11,019.29
6. Step 6: Final answer
   x = 8,257.17