Finding the Fourth Proportional to 11,018.96, 15,206.16 and 5,983.15

Step by Step Solution

1. Step 1: Write the proportion equation
   11,018.96 : 15,206.16 = 5,983.15 : x
2. Step 2: Convert to fraction form
   11,018.96/15,206.16 = 5,983.15/x
3. Step 3: Cross multiply
   11,018.96x = 15,206.16 × 5,983.15
4. Step 4: Simplify right side
   11,018.96x = 90,980,736.20
5. Step 5: Solve for x
   x = 90,980,736.20/11,018.96
6. Step 6: Final answer
   x = 8,256.74