Finding the Fourth Proportional to 103,922.49, 155,821.42 and 50,509.27

Step by Step Solution

1. Step 1: Write the proportion equation
   103,922.49 : 155,821.42 = 50,509.27 : x
2. Step 2: Convert to fraction form
   103,922.49/155,821.42 = 50,509.27/x
3. Step 3: Cross multiply
   103,922.49x = 155,821.42 × 50,509.27
4. Step 4: Simplify right side
   103,922.49x = 7,870,426,432.48
5. Step 5: Solve for x
   x = 7,870,426,432.48/103,922.49
6. Step 6: Final answer
   x = 75,733.62