Finding the Fourth Proportional to 50,769.57, 70,059.72 and 28,106.97

Step by Step Solution

1. Step 1: Write the proportion equation
   50,769.57 : 70,059.72 = 28,106.97 : x
2. Step 2: Convert to fraction form
   50,769.57/70,059.72 = 28,106.97/x
3. Step 3: Cross multiply
   50,769.57x = 70,059.72 × 28,106.97
4. Step 4: Simplify right side
   50,769.57x = 1,969,166,448.25
5. Step 5: Solve for x
   x = 1,969,166,448.25/50,769.57
6. Step 6: Final answer
   x = 38,786.35