Finding the Fourth Proportional to 16,104.88, 22,204.16 and 10,429.60

Step by Step Solution

1. Step 1: Write the proportion equation
   16,104.88 : 22,204.16 = 10,429.60 : x
2. Step 2: Convert to fraction form
   16,104.88/22,204.16 = 10,429.60/x
3. Step 3: Cross multiply
   16,104.88x = 22,204.16 × 10,429.60
4. Step 4: Simplify right side
   16,104.88x = 231,580,507.14
5. Step 5: Solve for x
   x = 231,580,507.14/16,104.88
6. Step 6: Final answer
   x = 14,379.52