Finding the Fourth Proportional to 50,739.98, 70,039.74 and 30,597.70

Step by Step Solution

1. Step 1: Write the proportion equation
   50,739.98 : 70,039.74 = 30,597.70 : x
2. Step 2: Convert to fraction form
   50,739.98/70,039.74 = 30,597.70/x
3. Step 3: Cross multiply
   50,739.98x = 70,039.74 × 30,597.70
4. Step 4: Simplify right side
   50,739.98x = 2,143,054,952.60
5. Step 5: Solve for x
   x = 2,143,054,952.60/50,739.98
6. Step 6: Final answer
   x = 42,236.02