Finding the Fourth Proportional to 18,366.43, 25,343.91 and 10,300.42

Step by Step Solution

1. Step 1: Write the proportion equation
   18,366.43 : 25,343.91 = 10,300.42 : x
2. Step 2: Convert to fraction form
   18,366.43/25,343.91 = 10,300.42/x
3. Step 3: Cross multiply
   18,366.43x = 25,343.91 × 10,300.42
4. Step 4: Simplify right side
   18,366.43x = 261,052,752.10
5. Step 5: Solve for x
   x = 261,052,752.10/18,366.43
6. Step 6: Final answer
   x = 14,213.58