Finding the Fourth Proportional to 18,443.10, 25,479.25 and 12,084.81

Step by Step Solution

1. Step 1: Write the proportion equation
   18,443.10 : 25,479.25 = 12,084.81 : x
2. Step 2: Convert to fraction form
   18,443.10/25,479.25 = 12,084.81/x
3. Step 3: Cross multiply
   18,443.10x = 25,479.25 × 12,084.81
4. Step 4: Simplify right side
   18,443.10x = 307,911,769.43
5. Step 5: Solve for x
   x = 307,911,769.43/18,443.10
6. Step 6: Final answer
   x = 16,695.23