Finding the Fourth Proportional to 50,245.50, 69,339.06 and 31,393.56

Step by Step Solution

1. Step 1: Write the proportion equation
   50,245.50 : 69,339.06 = 31,393.56 : x
2. Step 2: Convert to fraction form
   50,245.50/69,339.06 = 31,393.56/x
3. Step 3: Cross multiply
   50,245.50x = 69,339.06 × 31,393.56
4. Step 4: Simplify right side
   50,245.50x = 2,176,799,940.45
5. Step 5: Solve for x
   x = 2,176,799,940.45/50,245.50
6. Step 6: Final answer
   x = 43,323.28