Finding the Fourth Proportional to 50,763.05, 70,059.54 and 30,630.80

Step by Step Solution

1. Step 1: Write the proportion equation
   50,763.05 : 70,059.54 = 30,630.80 : x
2. Step 2: Convert to fraction form
   50,763.05/70,059.54 = 30,630.80/x
3. Step 3: Cross multiply
   50,763.05x = 70,059.54 × 30,630.80
4. Step 4: Simplify right side
   50,763.05x = 2,145,979,757.83
5. Step 5: Solve for x
   x = 2,145,979,757.83/50,763.05
6. Step 6: Final answer
   x = 42,274.44