Finding the Fourth Proportional to 50,791.36, 70,099.83 and 31,674.25

Step by Step Solution

1. Step 1: Write the proportion equation
   50,791.36 : 70,099.83 = 31,674.25 : x
2. Step 2: Convert to fraction form
   50,791.36/70,099.83 = 31,674.25/x
3. Step 3: Cross multiply
   50,791.36x = 70,099.83 × 31,674.25
4. Step 4: Simplify right side
   50,791.36x = 2,220,359,540.38
5. Step 5: Solve for x
   x = 2,220,359,540.38/50,791.36
6. Step 6: Final answer
   x = 43,715.30