Finding the Fourth Proportional to 13,018.89, 19,529.25 and 5,227.71

Step by Step Solution

1. Step 1: Write the proportion equation
   13,018.89 : 19,529.25 = 5,227.71 : x
2. Step 2: Convert to fraction form
   13,018.89/19,529.25 = 5,227.71/x
3. Step 3: Cross multiply
   13,018.89x = 19,529.25 × 5,227.71
4. Step 4: Simplify right side
   13,018.89x = 102,093,131.73
5. Step 5: Solve for x
   x = 102,093,131.73/13,018.89
6. Step 6: Final answer
   x = 7,841.92