Finding the Fourth Proportional to 115,673.30, 159,629.59 and 67,286.84

Step by Step Solution

1. Step 1: Write the proportion equation
   115,673.30 : 159,629.59 = 67,286.84 : x
2. Step 2: Convert to fraction form
   115,673.30/159,629.59 = 67,286.84/x
3. Step 3: Cross multiply
   115,673.30x = 159,629.59 × 67,286.84
4. Step 4: Simplify right side
   115,673.30x = 10,740,970,345.16
5. Step 5: Solve for x
   x = 10,740,970,345.16/115,673.30
6. Step 6: Final answer
   x = 92,856.09