Finding the Fourth Proportional to 80,581.05, 120,924.06 and 30,661.59

Step by Step Solution

1. Step 1: Write the proportion equation
   80,581.05 : 120,924.06 = 30,661.59 : x
2. Step 2: Convert to fraction form
   80,581.05/120,924.06 = 30,661.59/x
3. Step 3: Cross multiply
   80,581.05x = 120,924.06 × 30,661.59
4. Step 4: Simplify right side
   80,581.05x = 3,707,723,948.86
5. Step 5: Solve for x
   x = 3,707,723,948.86/80,581.05
6. Step 6: Final answer
   x = 46,012.36