Finding the Fourth Proportional to 80,580.05, 120,922.56 and 30,660.59

Step by Step Solution

1. Step 1: Write the proportion equation
   80,580.05 : 120,922.56 = 30,660.59 : x
2. Step 2: Convert to fraction form
   80,580.05/120,922.56 = 30,660.59/x
3. Step 3: Cross multiply
   80,580.05x = 120,922.56 × 30,660.59
4. Step 4: Simplify right side
   80,580.05x = 3,707,556,429.30
5. Step 5: Solve for x
   x = 3,707,556,429.30/80,580.05
6. Step 6: Final answer
   x = 46,010.85