Finding the Fourth Proportional to 18,033.98, 24,870.71 and 15,019.06

Step by Step Solution

1. Step 1: Write the proportion equation
   18,033.98 : 24,870.71 = 15,019.06 : x
2. Step 2: Convert to fraction form
   18,033.98/24,870.71 = 15,019.06/x
3. Step 3: Cross multiply
   18,033.98x = 24,870.71 × 15,019.06
4. Step 4: Simplify right side
   18,033.98x = 373,534,685.73
5. Step 5: Solve for x
   x = 373,534,685.73/18,033.98
6. Step 6: Final answer
   x = 20,712.83