Finding the Fourth Proportional to 281,970.72, 388,800.72 and 179,859.60

Step by Step Solution

1. Step 1: Write the proportion equation
   281,970.72 : 388,800.72 = 179,859.60 : x
2. Step 2: Convert to fraction form
   281,970.72/388,800.72 = 179,859.60/x
3. Step 3: Cross multiply
   281,970.72x = 388,800.72 × 179,859.60
4. Step 4: Simplify right side
   281,970.72x = 69,929,541,978.91
5. Step 5: Solve for x
   x = 69,929,541,978.91/281,970.72
6. Step 6: Final answer
   x = 248,002.85