Finding the Fourth Proportional to 80,952.64, 111,709.20 and 50,736.88

Step by Step Solution

1. Step 1: Write the proportion equation
   80,952.64 : 111,709.20 = 50,736.88 : x
2. Step 2: Convert to fraction form
   80,952.64/111,709.20 = 50,736.88/x
3. Step 3: Cross multiply
   80,952.64x = 111,709.20 × 50,736.88
4. Step 4: Simplify right side
   80,952.64x = 5,667,776,275.30
5. Step 5: Solve for x
   x = 5,667,776,275.30/80,952.64
6. Step 6: Final answer
   x = 70,013.48