Finding the Fourth Proportional to 50,185.96, 69,250.98 and 31,057

Step by Step Solution

1. Step 1: Write the proportion equation
   50,185.96 : 69,250.98 = 31,057 : x
2. Step 2: Convert to fraction form
   50,185.96/69,250.98 = 31,057/x
3. Step 3: Cross multiply
   50,185.96x = 69,250.98 × 31,057
4. Step 4: Simplify right side
   50,185.96x = 2,150,727,685.86
5. Step 5: Solve for x
   x = 2,150,727,685.86/50,185.96
6. Step 6: Final answer
   x = 42,855.17