Finding the Fourth Proportional to 144,870.69, 217,252.80 and 50,076.57

Step by Step Solution

1. Step 1: Write the proportion equation
   144,870.69 : 217,252.80 = 50,076.57 : x
2. Step 2: Convert to fraction form
   144,870.69/217,252.80 = 50,076.57/x
3. Step 3: Cross multiply
   144,870.69x = 217,252.80 × 50,076.57
4. Step 4: Simplify right side
   144,870.69x = 10,879,275,046.90
5. Step 5: Solve for x
   x = 10,879,275,046.90/144,870.69
6. Step 6: Final answer
   x = 75,096.45