Finding the Fourth Proportional to 50,560.80, 69,751.56 and 30,405.96

Step by Step Solution

1. Step 1: Write the proportion equation
   50,560.80 : 69,751.56 = 30,405.96 : x
2. Step 2: Convert to fraction form
   50,560.80/69,751.56 = 30,405.96/x
3. Step 3: Cross multiply
   50,560.80x = 69,751.56 × 30,405.96
4. Step 4: Simplify right side
   50,560.80x = 2,120,863,143.30
5. Step 5: Solve for x
   x = 2,120,863,143.30/50,560.80
6. Step 6: Final answer
   x = 41,946.79