Finding the Fourth Proportional to 80,274.43, 120,435.94 and 30,369.83

Step by Step Solution

1. Step 1: Write the proportion equation
   80,274.43 : 120,435.94 = 30,369.83 : x
2. Step 2: Convert to fraction form
   80,274.43/120,435.94 = 30,369.83/x
3. Step 3: Cross multiply
   80,274.43x = 120,435.94 × 30,369.83
4. Step 4: Simplify right side
   80,274.43x = 3,657,618,459.47
5. Step 5: Solve for x
   x = 3,657,618,459.47/80,274.43
6. Step 6: Final answer
   x = 45,563.93