Finding the Fourth Proportional to 50,891.92, 70,227.68 and 30,736.89

Step by Step Solution

1. Step 1: Write the proportion equation
   50,891.92 : 70,227.68 = 30,736.89 : x
2. Step 2: Convert to fraction form
   50,891.92/70,227.68 = 30,736.89/x
3. Step 3: Cross multiply
   50,891.92x = 70,227.68 × 30,736.89
4. Step 4: Simplify right side
   50,891.92x = 2,158,580,321.43
5. Step 5: Solve for x
   x = 2,158,580,321.43/50,891.92
6. Step 6: Final answer
   x = 42,414.99