Finding the Fourth Proportional to 262,581.24, 394,000.38 and 162,714.72

Step by Step Solution

1. Step 1: Write the proportion equation
   262,581.24 : 394,000.38 = 162,714.72 : x
2. Step 2: Convert to fraction form
   262,581.24/394,000.38 = 162,714.72/x
3. Step 3: Cross multiply
   262,581.24x = 394,000.38 × 162,714.72
4. Step 4: Simplify right side
   262,581.24x = 64,109,661,511.59
5. Step 5: Solve for x
   x = 64,109,661,511.59/262,581.24
6. Step 6: Final answer
   x = 244,151.72