Finding the Fourth Proportional to 16,398.78, 24,607.28 and 10,162.18

Step by Step Solution

1. Step 1: Write the proportion equation
   16,398.78 : 24,607.28 = 10,162.18 : x
2. Step 2: Convert to fraction form
   16,398.78/24,607.28 = 10,162.18/x
3. Step 3: Cross multiply
   16,398.78x = 24,607.28 × 10,162.18
4. Step 4: Simplify right side
   16,398.78x = 250,063,608.67
5. Step 5: Solve for x
   x = 250,063,608.67/16,398.78
6. Step 6: Final answer
   x = 15,248.92