Finding the Fourth Proportional to 11,028.45, 15,219.50 and 5,992.89

Step by Step Solution

1. Step 1: Write the proportion equation
   11,028.45 : 15,219.50 = 5,992.89 : x
2. Step 2: Convert to fraction form
   11,028.45/15,219.50 = 5,992.89/x
3. Step 3: Cross multiply
   11,028.45x = 15,219.50 × 5,992.89
4. Step 4: Simplify right side
   11,028.45x = 91,208,702.32
5. Step 5: Solve for x
   x = 91,208,702.32/11,028.45
6. Step 6: Final answer
   x = 8,270.31