Finding the Fourth Proportional to 14,098.80, 19,456.35 and 7,725.34

Step by Step Solution

1. Step 1: Write the proportion equation
   14,098.80 : 19,456.35 = 7,725.34 : x
2. Step 2: Convert to fraction form
   14,098.80/19,456.35 = 7,725.34/x
3. Step 3: Cross multiply
   14,098.80x = 19,456.35 × 7,725.34
4. Step 4: Simplify right side
   14,098.80x = 150,306,949.57
5. Step 5: Solve for x
   x = 150,306,949.57/14,098.80
6. Step 6: Final answer
   x = 10,660.97