Finding the Fourth Proportional to 67,112.09, 100,665.82 and 17,192.68

Step by Step Solution

1. Step 1: Write the proportion equation
   67,112.09 : 100,665.82 = 17,192.68 : x
2. Step 2: Convert to fraction form
   67,112.09/100,665.82 = 17,192.68/x
3. Step 3: Cross multiply
   67,112.09x = 100,665.82 × 17,192.68
4. Step 4: Simplify right side
   67,112.09x = 1,730,714,640.91
5. Step 5: Solve for x
   x = 1,730,714,640.91/67,112.09
6. Step 6: Final answer
   x = 25,788.42