Finding the Fourth Proportional to 16,151.54, 24,227.55 and 10,640.18

Step by Step Solution

1. Step 1: Write the proportion equation
   16,151.54 : 24,227.55 = 10,640.18 : x
2. Step 2: Convert to fraction form
   16,151.54/24,227.55 = 10,640.18/x
3. Step 3: Cross multiply
   16,151.54x = 24,227.55 × 10,640.18
4. Step 4: Simplify right side
   16,151.54x = 257,785,492.96
5. Step 5: Solve for x
   x = 257,785,492.96/16,151.54
6. Step 6: Final answer
   x = 15,960.43