Finding the Fourth Proportional to 22,300.74, 30,775.59 and 12,609.41

Step by Step Solution

1. Step 1: Write the proportion equation
   22,300.74 : 30,775.59 = 12,609.41 : x
2. Step 2: Convert to fraction form
   22,300.74/30,775.59 = 12,609.41/x
3. Step 3: Cross multiply
   22,300.74x = 30,775.59 × 12,609.41
4. Step 4: Simplify right side
   22,300.74x = 388,061,878.42
5. Step 5: Solve for x
   x = 388,061,878.42/22,300.74
6. Step 6: Final answer
   x = 17,401.30