Finding the Fourth Proportional to 50,367.20, 69,479.12 and 31,240.37

Step by Step Solution

1. Step 1: Write the proportion equation
   50,367.20 : 69,479.12 = 31,240.37 : x
2. Step 2: Convert to fraction form
   50,367.20/69,479.12 = 31,240.37/x
3. Step 3: Cross multiply
   50,367.20x = 69,479.12 × 31,240.37
4. Step 4: Simplify right side
   50,367.20x = 2,170,552,912.48
5. Step 5: Solve for x
   x = 2,170,552,912.48/50,367.20
6. Step 6: Final answer
   x = 43,094.58