Finding the Fourth Proportional to 11,023.05, 15,211.89 and 5,987.28

Step by Step Solution

1. Step 1: Write the proportion equation
   11,023.05 : 15,211.89 = 5,987.28 : x
2. Step 2: Convert to fraction form
   11,023.05/15,211.89 = 5,987.28/x
3. Step 3: Cross multiply
   11,023.05x = 15,211.89 × 5,987.28
4. Step 4: Simplify right side
   11,023.05x = 91,077,814.82
5. Step 5: Solve for x
   x = 91,077,814.82/11,023.05
6. Step 6: Final answer
   x = 8,262.49