Finding the Fourth Proportional to 13,227.10, 19,840.43 and 5,329.42

Step by Step Solution

1. Step 1: Write the proportion equation
   13,227.10 : 19,840.43 = 5,329.42 : x
2. Step 2: Convert to fraction form
   13,227.10/19,840.43 = 5,329.42/x
3. Step 3: Cross multiply
   13,227.10x = 19,840.43 × 5,329.42
4. Step 4: Simplify right side
   13,227.10x = 105,738,007.59
5. Step 5: Solve for x
   x = 105,738,007.59/13,227.10
6. Step 6: Final answer
   x = 7,994.04