Finding the Fourth Proportional to 80,763.49, 121,149.69 and 30,847.69

Step by Step Solution

1. Step 1: Write the proportion equation
   80,763.49 : 121,149.69 = 30,847.69 : x
2. Step 2: Convert to fraction form
   80,763.49/121,149.69 = 30,847.69/x
3. Step 3: Cross multiply
   80,763.49x = 121,149.69 × 30,847.69
4. Step 4: Simplify right side
   80,763.49x = 3,737,188,080.72
5. Step 5: Solve for x
   x = 3,737,188,080.72/80,763.49
6. Step 6: Final answer
   x = 46,273.24