Finding the Fourth Proportional to 50,885.17, 70,219.87 and 30,738.54

Step by Step Solution

1. Step 1: Write the proportion equation
   50,885.17 : 70,219.87 = 30,738.54 : x
2. Step 2: Convert to fraction form
   50,885.17/70,219.87 = 30,738.54/x
3. Step 3: Cross multiply
   50,885.17x = 70,219.87 × 30,738.54
4. Step 4: Simplify right side
   50,885.17x = 2,158,456,415.33
5. Step 5: Solve for x
   x = 2,158,456,415.33/50,885.17
6. Step 6: Final answer
   x = 42,418.18