Finding the Fourth Proportional to 50,653.72, 69,900.78 and 28,297.72

Step by Step Solution

1. Step 1: Write the proportion equation
   50,653.72 : 69,900.78 = 28,297.72 : x
2. Step 2: Convert to fraction form
   50,653.72/69,900.78 = 28,297.72/x
3. Step 3: Cross multiply
   50,653.72x = 69,900.78 × 28,297.72
4. Step 4: Simplify right side
   50,653.72x = 1,978,032,700.22
5. Step 5: Solve for x
   x = 1,978,032,700.22/50,653.72
6. Step 6: Final answer
   x = 39,050.10