Finding the Fourth Proportional to 22,369.78, 30,869.67 and 12,298.24

Step by Step Solution

1. Step 1: Write the proportion equation
   22,369.78 : 30,869.67 = 12,298.24 : x
2. Step 2: Convert to fraction form
   22,369.78/30,869.67 = 12,298.24/x
3. Step 3: Cross multiply
   22,369.78x = 30,869.67 × 12,298.24
4. Step 4: Simplify right side
   22,369.78x = 379,642,610.38
5. Step 5: Solve for x
   x = 379,642,610.38/22,369.78
6. Step 6: Final answer
   x = 16,971.23