Finding the Fourth Proportional to 80,540.82, 120,794.81 and 30,603.41

Step by Step Solution

1. Step 1: Write the proportion equation
   80,540.82 : 120,794.81 = 30,603.41 : x
2. Step 2: Convert to fraction form
   80,540.82/120,794.81 = 30,603.41/x
3. Step 3: Cross multiply
   80,540.82x = 120,794.81 × 30,603.41
4. Step 4: Simplify right side
   80,540.82x = 3,696,732,339.31
5. Step 5: Solve for x
   x = 3,696,732,339.31/80,540.82
6. Step 6: Final answer
   x = 45,898.87