Finding the Fourth Proportional to 11,026, 15,215.71 and 5,990.28

Step by Step Solution

1. Step 1: Write the proportion equation
   11,026 : 15,215.71 = 5,990.28 : x
2. Step 2: Convert to fraction form
   11,026/15,215.71 = 5,990.28/x
3. Step 3: Cross multiply
   11,026x = 15,215.71 × 5,990.28
4. Step 4: Simplify right side
   11,026x = 91,146,363.30
5. Step 5: Solve for x
   x = 91,146,363.30/11,026
6. Step 6: Final answer
   x = 8,266.49