Finding the Fourth Proportional to 287,216.48, 396,100.71 and 179,796.30

Step by Step Solution

1. Step 1: Write the proportion equation
   287,216.48 : 396,100.71 = 179,796.30 : x
2. Step 2: Convert to fraction form
   287,216.48/396,100.71 = 179,796.30/x
3. Step 3: Cross multiply
   287,216.48x = 396,100.71 × 179,796.30
4. Step 4: Simplify right side
   287,216.48x = 71,217,442,085.37
5. Step 5: Solve for x
   x = 71,217,442,085.37/287,216.48
6. Step 6: Final answer
   x = 247,957.37