Finding the Fourth Proportional to 105,714.14, 145,885.41 and 57,968.29

Step by Step Solution

1. Step 1: Write the proportion equation
   105,714.14 : 145,885.41 = 57,968.29 : x
2. Step 2: Convert to fraction form
   105,714.14/145,885.41 = 57,968.29/x
3. Step 3: Cross multiply
   105,714.14x = 145,885.41 × 57,968.29
4. Step 4: Simplify right side
   105,714.14x = 8,456,727,388.94
5. Step 5: Solve for x
   x = 8,456,727,388.94/105,714.14
6. Step 6: Final answer
   x = 79,996.18