Finding the Fourth Proportional to 22,185.08, 30,601.98 and 13,226.60

Step by Step Solution

1. Step 1: Write the proportion equation
   22,185.08 : 30,601.98 = 13,226.60 : x
2. Step 2: Convert to fraction form
   22,185.08/30,601.98 = 13,226.60/x
3. Step 3: Cross multiply
   22,185.08x = 30,601.98 × 13,226.60
4. Step 4: Simplify right side
   22,185.08x = 404,760,148.67
5. Step 5: Solve for x
   x = 404,760,148.67/22,185.08
6. Step 6: Final answer
   x = 18,244.70