Finding the Fourth Proportional to 30,369.42, 41,914.89 and 18,440.69

Step by Step Solution

1. Step 1: Write the proportion equation
   30,369.42 : 41,914.89 = 18,440.69 : x
2. Step 2: Convert to fraction form
   30,369.42/41,914.89 = 18,440.69/x
3. Step 3: Cross multiply
   30,369.42x = 41,914.89 × 18,440.69
4. Step 4: Simplify right side
   30,369.42x = 772,939,283.30
5. Step 5: Solve for x
   x = 772,939,283.30/30,369.42
6. Step 6: Final answer
   x = 25,451.24