Finding the Fourth Proportional to 50,960.82, 70,314.60 and 30,817.28

Step by Step Solution

1. Step 1: Write the proportion equation
   50,960.82 : 70,314.60 = 30,817.28 : x
2. Step 2: Convert to fraction form
   50,960.82/70,314.60 = 30,817.28/x
3. Step 3: Cross multiply
   50,960.82x = 70,314.60 × 30,817.28
4. Step 4: Simplify right side
   50,960.82x = 2,166,904,364.72
5. Step 5: Solve for x
   x = 2,166,904,364.72/50,960.82
6. Step 6: Final answer
   x = 42,520.99