Finding the Fourth Proportional to 50,251, 69,347.46 and 28,742.72

Step by Step Solution

1. Step 1: Write the proportion equation
   50,251 : 69,347.46 = 28,742.72 : x
2. Step 2: Convert to fraction form
   50,251/69,347.46 = 28,742.72/x
3. Step 3: Cross multiply
   50,251x = 69,347.46 × 28,742.72
4. Step 4: Simplify right side
   50,251x = 1,993,234,625.49
5. Step 5: Solve for x
   x = 1,993,234,625.49/50,251
6. Step 6: Final answer
   x = 39,665.57