Finding the Fourth Proportional to 50,723.31, 69,998.12 and 28,367.31

Step by Step Solution

1. Step 1: Write the proportion equation
   50,723.31 : 69,998.12 = 28,367.31 : x
2. Step 2: Convert to fraction form
   50,723.31/69,998.12 = 28,367.31/x
3. Step 3: Cross multiply
   50,723.31x = 69,998.12 × 28,367.31
4. Step 4: Simplify right side
   50,723.31x = 1,985,658,227.62
5. Step 5: Solve for x
   x = 1,985,658,227.62/50,723.31
6. Step 6: Final answer
   x = 39,146.86