Finding the Fourth Proportional to 16,131.28, 24,186.84 and 9,196.24

Step by Step Solution

1. Step 1: Write the proportion equation
   16,131.28 : 24,186.84 = 9,196.24 : x
2. Step 2: Convert to fraction form
   16,131.28/24,186.84 = 9,196.24/x
3. Step 3: Cross multiply
   16,131.28x = 24,186.84 × 9,196.24
4. Step 4: Simplify right side
   16,131.28x = 222,427,985.48
5. Step 5: Solve for x
   x = 222,427,985.48/16,131.28
6. Step 6: Final answer
   x = 13,788.61