Finding the Fourth Proportional to 144,959.52, 217,437.12 and 50,258.72

Step by Step Solution

1. Step 1: Write the proportion equation
   144,959.52 : 217,437.12 = 50,258.72 : x
2. Step 2: Convert to fraction form
   144,959.52/217,437.12 = 50,258.72/x
3. Step 3: Cross multiply
   144,959.52x = 217,437.12 × 50,258.72
4. Step 4: Simplify right side
   144,959.52x = 10,928,111,331.69
5. Step 5: Solve for x
   x = 10,928,111,331.69/144,959.52
6. Step 6: Final answer
   x = 75,387.33