Finding the Fourth Proportional to 13,227.78, 19,848.15 and 5,329.95

Step by Step Solution

1. Step 1: Write the proportion equation
   13,227.78 : 19,848.15 = 5,329.95 : x
2. Step 2: Convert to fraction form
   13,227.78/19,848.15 = 5,329.95/x
3. Step 3: Cross multiply
   13,227.78x = 19,848.15 × 5,329.95
4. Step 4: Simplify right side
   13,227.78x = 105,789,647.09
5. Step 5: Solve for x
   x = 105,789,647.09/13,227.78
6. Step 6: Final answer
   x = 7,997.54