Finding the Fourth Proportional to 16,414.24, 24,618.88 and 5,321.28

Step by Step Solution

1. Step 1: Write the proportion equation
   16,414.24 : 24,618.88 = 5,321.28 : x
2. Step 2: Convert to fraction form
   16,414.24/24,618.88 = 5,321.28/x
3. Step 3: Cross multiply
   16,414.24x = 24,618.88 × 5,321.28
4. Step 4: Simplify right side
   16,414.24x = 131,003,953.77
5. Step 5: Solve for x
   x = 131,003,953.77/16,414.24
6. Step 6: Final answer
   x = 7,981.12