Finding the Fourth Proportional to 281,644.50, 388,669.50 and 168,493.98

Step by Step Solution

1. Step 1: Write the proportion equation
   281,644.50 : 388,669.50 = 168,493.98 : x
2. Step 2: Convert to fraction form
   281,644.50/388,669.50 = 168,493.98/x
3. Step 3: Cross multiply
   281,644.50x = 388,669.50 × 168,493.98
4. Step 4: Simplify right side
   281,644.50x = 65,488,470,959.61
5. Step 5: Solve for x
   x = 65,488,470,959.61/281,644.50
6. Step 6: Final answer
   x = 232,521.75