Finding the Fourth Proportional to 50,069.56, 69,069.36 and 30,960.04

Step by Step Solution

1. Step 1: Write the proportion equation
   50,069.56 : 69,069.36 = 30,960.04 : x
2. Step 2: Convert to fraction form
   50,069.56/69,069.36 = 30,960.04/x
3. Step 3: Cross multiply
   50,069.56x = 69,069.36 × 30,960.04
4. Step 4: Simplify right side
   50,069.56x = 2,138,390,148.37
5. Step 5: Solve for x
   x = 2,138,390,148.37/50,069.56
6. Step 6: Final answer
   x = 42,708.39