Finding the Fourth Proportional to 18,118.78, 24,870.52 and 16,084.87

Step by Step Solution

1. Step 1: Write the proportion equation
   18,118.78 : 24,870.52 = 16,084.87 : x
2. Step 2: Convert to fraction form
   18,118.78/24,870.52 = 16,084.87/x
3. Step 3: Cross multiply
   18,118.78x = 24,870.52 × 16,084.87
4. Step 4: Simplify right side
   18,118.78x = 400,039,081.03
5. Step 5: Solve for x
   x = 400,039,081.03/18,118.78
6. Step 6: Final answer
   x = 22,078.70