Finding the Fourth Proportional to 80,499.62, 120,745.55 and 30,575.82

Step by Step Solution

1. Step 1: Write the proportion equation
   80,499.62 : 120,745.55 = 30,575.82 : x
2. Step 2: Convert to fraction form
   80,499.62/120,745.55 = 30,575.82/x
3. Step 3: Cross multiply
   80,499.62x = 120,745.55 × 30,575.82
4. Step 4: Simplify right side
   80,499.62x = 3,691,894,049.72
5. Step 5: Solve for x
   x = 3,691,894,049.72/80,499.62
6. Step 6: Final answer
   x = 45,862.26