Finding the Fourth Proportional to 16,248.24, 22,419.27 and 9,878.25

Step by Step Solution

1. Step 1: Write the proportion equation
   16,248.24 : 22,419.27 = 9,878.25 : x
2. Step 2: Convert to fraction form
   16,248.24/22,419.27 = 9,878.25/x
3. Step 3: Cross multiply
   16,248.24x = 22,419.27 × 9,878.25
4. Step 4: Simplify right side
   16,248.24x = 221,463,153.88
5. Step 5: Solve for x
   x = 221,463,153.88/16,248.24
6. Step 6: Final answer
   x = 13,629.98