Finding the Fourth Proportional to 22,336.74, 30,825.24 and 12,645.42

Step by Step Solution

1. Step 1: Write the proportion equation
   22,336.74 : 30,825.24 = 12,645.42 : x
2. Step 2: Convert to fraction form
   22,336.74/30,825.24 = 12,645.42/x
3. Step 3: Cross multiply
   22,336.74x = 30,825.24 × 12,645.42
4. Step 4: Simplify right side
   22,336.74x = 389,798,106.40
5. Step 5: Solve for x
   x = 389,798,106.40/22,336.74
6. Step 6: Final answer
   x = 17,450.98