Finding the Fourth Proportional to 22,257.48, 30,705.52 and 13,300.48

Step by Step Solution

1. Step 1: Write the proportion equation
   22,257.48 : 30,705.52 = 13,300.48 : x
2. Step 2: Convert to fraction form
   22,257.48/30,705.52 = 13,300.48/x
3. Step 3: Cross multiply
   22,257.48x = 30,705.52 × 13,300.48
4. Step 4: Simplify right side
   22,257.48x = 408,398,154.65
5. Step 5: Solve for x
   x = 408,398,154.65/22,257.48
6. Step 6: Final answer
   x = 18,348.80