Finding the Fourth Proportional to 18,498.42, 25,524.50 and 10,940.99

Step by Step Solution

1. Step 1: Write the proportion equation
   18,498.42 : 25,524.50 = 10,940.99 : x
2. Step 2: Convert to fraction form
   18,498.42/25,524.50 = 10,940.99/x
3. Step 3: Cross multiply
   18,498.42x = 25,524.50 × 10,940.99
4. Step 4: Simplify right side
   18,498.42x = 279,263,116.93
5. Step 5: Solve for x
   x = 279,263,116.93/18,498.42
6. Step 6: Final answer
   x = 15,096.59