Finding the Fourth Proportional to 144,667.24, 217,011.28 and 49,896.09

Step by Step Solution

1. Step 1: Write the proportion equation
   144,667.24 : 217,011.28 = 49,896.09 : x
2. Step 2: Convert to fraction form
   144,667.24/217,011.28 = 49,896.09/x
3. Step 3: Cross multiply
   144,667.24x = 217,011.28 × 49,896.09
4. Step 4: Simplify right side
   144,667.24x = 10,828,014,357.90
5. Step 5: Solve for x
   x = 10,828,014,357.90/144,667.24
6. Step 6: Final answer
   x = 74,847.73