Finding the Fourth Proportional to 18,061.38, 24,929.53 and 16,959.94

Step by Step Solution

1. Step 1: Write the proportion equation
   18,061.38 : 24,929.53 = 16,959.94 : x
2. Step 2: Convert to fraction form
   18,061.38/24,929.53 = 16,959.94/x
3. Step 3: Cross multiply
   18,061.38x = 24,929.53 × 16,959.94
4. Step 4: Simplify right side
   18,061.38x = 422,803,333.03
5. Step 5: Solve for x
   x = 422,803,333.03/18,061.38
6. Step 6: Final answer
   x = 23,409.25