Finding the Fourth Proportional to 11,019.71, 15,207.16 and 5,983.89

Step by Step Solution

1. Step 1: Write the proportion equation
   11,019.71 : 15,207.16 = 5,983.89 : x
2. Step 2: Convert to fraction form
   11,019.71/15,207.16 = 5,983.89/x
3. Step 3: Cross multiply
   11,019.71x = 15,207.16 × 5,983.89
4. Step 4: Simplify right side
   11,019.71x = 90,997,997.43
5. Step 5: Solve for x
   x = 90,997,997.43/11,019.71
6. Step 6: Final answer
   x = 8,257.75