Finding the Fourth Proportional to 80,227.40, 120,307.98 and 30,299

Step by Step Solution

1. Step 1: Write the proportion equation
   80,227.40 : 120,307.98 = 30,299 : x
2. Step 2: Convert to fraction form
   80,227.40/120,307.98 = 30,299/x
3. Step 3: Cross multiply
   80,227.40x = 120,307.98 × 30,299
4. Step 4: Simplify right side
   80,227.40x = 3,645,211,486.02
5. Step 5: Solve for x
   x = 3,645,211,486.02/80,227.40
6. Step 6: Final answer
   x = 45,435.99