Finding the Fourth Proportional to 162,708.72, 244,235.61 and 144,109.50

Step by Step Solution

1. Step 1: Write the proportion equation
   162,708.72 : 244,235.61 = 144,109.50 : x
2. Step 2: Convert to fraction form
   162,708.72/244,235.61 = 144,109.50/x
3. Step 3: Cross multiply
   162,708.72x = 244,235.61 × 144,109.50
4. Step 4: Simplify right side
   162,708.72x = 35,196,671,639.30
5. Step 5: Solve for x
   x = 35,196,671,639.30/162,708.72
6. Step 6: Final answer
   x = 216,317.06