Finding the Fourth Proportional to 50,814.50, 70,124.01 and 28,458.50

Step by Step Solution

1. Step 1: Write the proportion equation
   50,814.50 : 70,124.01 = 28,458.50 : x
2. Step 2: Convert to fraction form
   50,814.50/70,124.01 = 28,458.50/x
3. Step 3: Cross multiply
   50,814.50x = 70,124.01 × 28,458.50
4. Step 4: Simplify right side
   50,814.50x = 1,995,624,138.59
5. Step 5: Solve for x
   x = 1,995,624,138.59/50,814.50
6. Step 6: Final answer
   x = 39,272.73