Finding the Fourth Proportional to 33,215.27, 49,825.33 and 13,494.20

Step by Step Solution

1. Step 1: Write the proportion equation
   33,215.27 : 49,825.33 = 13,494.20 : x
2. Step 2: Convert to fraction form
   33,215.27/49,825.33 = 13,494.20/x
3. Step 3: Cross multiply
   33,215.27x = 49,825.33 × 13,494.20
4. Step 4: Simplify right side
   33,215.27x = 672,352,685.22
5. Step 5: Solve for x
   x = 672,352,685.22/33,215.27
6. Step 6: Final answer
   x = 20,242.28