Finding the Fourth Proportional to 22,494.15, 33,729.69 and 13,152.42

Step by Step Solution

1. Step 1: Write the proportion equation
   22,494.15 : 33,729.69 = 13,152.42 : x
2. Step 2: Convert to fraction form
   22,494.15/33,729.69 = 13,152.42/x
3. Step 3: Cross multiply
   22,494.15x = 33,729.69 × 13,152.42
4. Step 4: Simplify right side
   22,494.15x = 443,627,049.35
5. Step 5: Solve for x
   x = 443,627,049.35/22,494.15
6. Step 6: Final answer
   x = 19,721.89