Finding the Fourth Proportional to 50,673.02, 69,928.79 and 28,317.02

Step by Step Solution

1. Step 1: Write the proportion equation
   50,673.02 : 69,928.79 = 28,317.02 : x
2. Step 2: Convert to fraction form
   50,673.02/69,928.79 = 28,317.02/x
3. Step 3: Cross multiply
   50,673.02x = 69,928.79 × 28,317.02
4. Step 4: Simplify right side
   50,673.02x = 1,980,174,453.78
5. Step 5: Solve for x
   x = 1,980,174,453.78/50,673.02
6. Step 6: Final answer
   x = 39,077.49