Finding the Fourth Proportional to 50,512.50, 69,709.41 and 28,156.50

Step by Step Solution

1. Step 1: Write the proportion equation
   50,512.50 : 69,709.41 = 28,156.50 : x
2. Step 2: Convert to fraction form
   50,512.50/69,709.41 = 28,156.50/x
3. Step 3: Cross multiply
   50,512.50x = 69,709.41 × 28,156.50
4. Step 4: Simplify right side
   50,512.50x = 1,962,773,002.67
5. Step 5: Solve for x
   x = 1,962,773,002.67/50,512.50
6. Step 6: Final answer
   x = 38,857.17