Finding the Fourth Proportional to 108,016.92, 149,021.78 and 67,660.43

Step by Step Solution

1. Step 1: Write the proportion equation
   108,016.92 : 149,021.78 = 67,660.43 : x
2. Step 2: Convert to fraction form
   108,016.92/149,021.78 = 67,660.43/x
3. Step 3: Cross multiply
   108,016.92x = 149,021.78 × 67,660.43
4. Step 4: Simplify right side
   108,016.92x = 10,082,876,630.75
5. Step 5: Solve for x
   x = 10,082,876,630.75/108,016.92
6. Step 6: Final answer
   x = 93,345.34