Finding the Fourth Proportional to 50,456.25, 69,629.63 and 28,100.25

Step by Step Solution

1. Step 1: Write the proportion equation
   50,456.25 : 69,629.63 = 28,100.25 : x
2. Step 2: Convert to fraction form
   50,456.25/69,629.63 = 28,100.25/x
3. Step 3: Cross multiply
   50,456.25x = 69,629.63 × 28,100.25
4. Step 4: Simplify right side
   50,456.25x = 1,956,609,869.91
5. Step 5: Solve for x
   x = 1,956,609,869.91/50,456.25
6. Step 6: Final answer
   x = 38,778.35