Finding the Fourth Proportional to 18,065, 24,915.72 and 13,805.48

Step by Step Solution

1. Step 1: Write the proportion equation
   18,065 : 24,915.72 = 13,805.48 : x
2. Step 2: Convert to fraction form
   18,065/24,915.72 = 13,805.48/x
3. Step 3: Cross multiply
   18,065x = 24,915.72 × 13,805.48
4. Step 4: Simplify right side
   18,065x = 343,973,474.15
5. Step 5: Solve for x
   x = 343,973,474.15/18,065
6. Step 6: Final answer
   x = 19,040.88