Finding the Fourth Proportional to 50,456.75, 69,630.32 and 28,100.75

Step by Step Solution

1. Step 1: Write the proportion equation
   50,456.75 : 69,630.32 = 28,100.75 : x
2. Step 2: Convert to fraction form
   50,456.75/69,630.32 = 28,100.75/x
3. Step 3: Cross multiply
   50,456.75x = 69,630.32 × 28,100.75
4. Step 4: Simplify right side
   50,456.75x = 1,956,664,074.24
5. Step 5: Solve for x
   x = 1,956,664,074.24/50,456.75
6. Step 6: Final answer
   x = 38,779.04