Finding the Fourth Proportional to 108,016.91, 149,021.76 and 67,660.41

Step by Step Solution

1. Step 1: Write the proportion equation
   108,016.91 : 149,021.76 = 67,660.41 : x
2. Step 2: Convert to fraction form
   108,016.91/149,021.76 = 67,660.41/x
3. Step 3: Cross multiply
   108,016.91x = 149,021.76 × 67,660.41
4. Step 4: Simplify right side
   108,016.91x = 10,082,873,875.92
5. Step 5: Solve for x
   x = 10,082,873,875.92/108,016.91
6. Step 6: Final answer
   x = 93,345.33