Finding the Fourth Proportional to 50,708.52, 69,980.22 and 28,047.42

Step by Step Solution

1. Step 1: Write the proportion equation
   50,708.52 : 69,980.22 = 28,047.42 : x
2. Step 2: Convert to fraction form
   50,708.52/69,980.22 = 28,047.42/x
3. Step 3: Cross multiply
   50,708.52x = 69,980.22 × 28,047.42
4. Step 4: Simplify right side
   50,708.52x = 1,962,764,622.03
5. Step 5: Solve for x
   x = 1,962,764,622.03/50,708.52
6. Step 6: Final answer
   x = 38,706.80