Finding the Fourth Proportional to 50,762.05, 70,058.16 and 30,629.80

Step by Step Solution

1. Step 1: Write the proportion equation
   50,762.05 : 70,058.16 = 30,629.80 : x
2. Step 2: Convert to fraction form
   50,762.05/70,058.16 = 30,629.80/x
3. Step 3: Cross multiply
   50,762.05x = 70,058.16 × 30,629.80
4. Step 4: Simplify right side
   50,762.05x = 2,145,867,429.17
5. Step 5: Solve for x
   x = 2,145,867,429.17/50,762.05
6. Step 6: Final answer
   x = 42,273.06