Finding the Fourth Proportional to 50,172.42, 69,237.32 and 28,951.23

Step by Step Solution

1. Step 1: Write the proportion equation
   50,172.42 : 69,237.32 = 28,951.23 : x
2. Step 2: Convert to fraction form
   50,172.42/69,237.32 = 28,951.23/x
3. Step 3: Cross multiply
   50,172.42x = 69,237.32 × 28,951.23
4. Step 4: Simplify right side
   50,172.42x = 2,004,505,431.15
5. Step 5: Solve for x
   x = 2,004,505,431.15/50,172.42
6. Step 6: Final answer
   x = 39,952.34