Finding the Fourth Proportional to 80,401.14, 120,603.53 and 30,504.74

Step by Step Solution

1. Step 1: Write the proportion equation
   80,401.14 : 120,603.53 = 30,504.74 : x
2. Step 2: Convert to fraction form
   80,401.14/120,603.53 = 30,504.74/x
3. Step 3: Cross multiply
   80,401.14x = 120,603.53 × 30,504.74
4. Step 4: Simplify right side
   80,401.14x = 3,678,978,798.98
5. Step 5: Solve for x
   x = 3,678,978,798.98/80,401.14
6. Step 6: Final answer
   x = 45,757.79