Finding the Fourth Proportional to 17,946.78, 26,906.73 and 12,384.24

Step by Step Solution

1. Step 1: Write the proportion equation
   17,946.78 : 26,906.73 = 12,384.24 : x
2. Step 2: Convert to fraction form
   17,946.78/26,906.73 = 12,384.24/x
3. Step 3: Cross multiply
   17,946.78x = 26,906.73 × 12,384.24
4. Step 4: Simplify right side
   17,946.78x = 333,219,401.94
5. Step 5: Solve for x
   x = 333,219,401.94/17,946.78
6. Step 6: Final answer
   x = 18,567.09