Finding the Fourth Proportional to 50,674.72, 69,923.28 and 28,314.40

Step by Step Solution

1. Step 1: Write the proportion equation
   50,674.72 : 69,923.28 = 28,314.40 : x
2. Step 2: Convert to fraction form
   50,674.72/69,923.28 = 28,314.40/x
3. Step 3: Cross multiply
   50,674.72x = 69,923.28 × 28,314.40
4. Step 4: Simplify right side
   50,674.72x = 1,979,835,719.23
5. Step 5: Solve for x
   x = 1,979,835,719.23/50,674.72
6. Step 6: Final answer
   x = 39,069.49