Finding the Fourth Proportional to 11,019.34, 15,206.62 and 5,983.51

Step by Step Solution

1. Step 1: Write the proportion equation
   11,019.34 : 15,206.62 = 5,983.51 : x
2. Step 2: Convert to fraction form
   11,019.34/15,206.62 = 5,983.51/x
3. Step 3: Cross multiply
   11,019.34x = 15,206.62 × 5,983.51
4. Step 4: Simplify right side
   11,019.34x = 90,988,962.84
5. Step 5: Solve for x
   x = 90,988,962.84/11,019.34
6. Step 6: Final answer
   x = 8,257.21