Finding the Fourth Proportional to 108,015.80, 149,020.22 and 67,659.30

Step by Step Solution

1. Step 1: Write the proportion equation
   108,015.80 : 149,020.22 = 67,659.30 : x
2. Step 2: Convert to fraction form
   108,015.80/149,020.22 = 67,659.30/x
3. Step 3: Cross multiply
   108,015.80x = 149,020.22 × 67,659.30
4. Step 4: Simplify right side
   108,015.80x = 10,082,603,940.19
5. Step 5: Solve for x
   x = 10,082,603,940.19/108,015.80
6. Step 6: Final answer
   x = 93,343.79