Finding the Fourth Proportional to 16,418.16, 22,664.52 and 10,458

Step by Step Solution

1. Step 1: Write the proportion equation
   16,418.16 : 22,664.52 = 10,458 : x
2. Step 2: Convert to fraction form
   16,418.16/22,664.52 = 10,458/x
3. Step 3: Cross multiply
   16,418.16x = 22,664.52 × 10,458
4. Step 4: Simplify right side
   16,418.16x = 237,025,550.16
5. Step 5: Solve for x
   x = 237,025,550.16/16,418.16
6. Step 6: Final answer
   x = 14,436.79