Finding the Fourth Proportional to 16,968.72, 23,412.60 and 9,892.56

Step by Step Solution

1. Step 1: Write the proportion equation
   16,968.72 : 23,412.60 = 9,892.56 : x
2. Step 2: Convert to fraction form
   16,968.72/23,412.60 = 9,892.56/x
3. Step 3: Cross multiply
   16,968.72x = 23,412.60 × 9,892.56
4. Step 4: Simplify right side
   16,968.72x = 231,610,550.26
5. Step 5: Solve for x
   x = 231,610,550.26/16,968.72
6. Step 6: Final answer
   x = 13,649.26