Finding the Fourth Proportional to 50,643.72, 69,891.63 and 27,982.72

Step by Step Solution

1. Step 1: Write the proportion equation
   50,643.72 : 69,891.63 = 27,982.72 : x
2. Step 2: Convert to fraction form
   50,643.72/69,891.63 = 27,982.72/x
3. Step 3: Cross multiply
   50,643.72x = 69,891.63 × 27,982.72
4. Step 4: Simplify right side
   50,643.72x = 1,955,757,912.63
5. Step 5: Solve for x
   x = 1,955,757,912.63/50,643.72
6. Step 6: Final answer
   x = 38,617.97