Finding the Fourth Proportional to 50,458.50, 69,632.73 and 28,102.50

Step by Step Solution

1. Step 1: Write the proportion equation
   50,458.50 : 69,632.73 = 28,102.50 : x
2. Step 2: Convert to fraction form
   50,458.50/69,632.73 = 28,102.50/x
3. Step 3: Cross multiply
   50,458.50x = 69,632.73 × 28,102.50
4. Step 4: Simplify right side
   50,458.50x = 1,956,853,794.83
5. Step 5: Solve for x
   x = 1,956,853,794.83/50,458.50
6. Step 6: Final answer
   x = 38,781.45