Finding the Fourth Proportional to 50,882.50, 70,217.85 and 31,010.50

Step by Step Solution

1. Step 1: Write the proportion equation
   50,882.50 : 70,217.85 = 31,010.50 : x
2. Step 2: Convert to fraction form
   50,882.50/70,217.85 = 31,010.50/x
3. Step 3: Cross multiply
   50,882.50x = 70,217.85 × 31,010.50
4. Step 4: Simplify right side
   50,882.50x = 2,177,490,637.43
5. Step 5: Solve for x
   x = 2,177,490,637.43/50,882.50
6. Step 6: Final answer
   x = 42,794.49