Finding the Fourth Proportional to 50,812.66, 70,123.57 and 28,456.82

Step by Step Solution

1. Step 1: Write the proportion equation
   50,812.66 : 70,123.57 = 28,456.82 : x
2. Step 2: Convert to fraction form
   50,812.66/70,123.57 = 28,456.82/x
3. Step 3: Cross multiply
   50,812.66x = 70,123.57 × 28,456.82
4. Step 4: Simplify right side
   50,812.66x = 1,995,493,809.25
5. Step 5: Solve for x
   x = 1,995,493,809.25/50,812.66
6. Step 6: Final answer
   x = 39,271.59