Finding the Fourth Proportional to 33,221.45, 49,852.52 and 13,240.52

Step by Step Solution

1. Step 1: Write the proportion equation
   33,221.45 : 49,852.52 = 13,240.52 : x
2. Step 2: Convert to fraction form
   33,221.45/49,852.52 = 13,240.52/x
3. Step 3: Cross multiply
   33,221.45x = 49,852.52 × 13,240.52
4. Step 4: Simplify right side
   33,221.45x = 660,073,452.43
5. Step 5: Solve for x
   x = 660,073,452.43/33,221.45
6. Step 6: Final answer
   x = 19,868.90