Finding the Fourth Proportional to 22,086.54, 33,078.78 and 13,302.09

Step by Step Solution

1. Step 1: Write the proportion equation
   22,086.54 : 33,078.78 = 13,302.09 : x
2. Step 2: Convert to fraction form
   22,086.54/33,078.78 = 13,302.09/x
3. Step 3: Cross multiply
   22,086.54x = 33,078.78 × 13,302.09
4. Step 4: Simplify right side
   22,086.54x = 440,016,908.65
5. Step 5: Solve for x
   x = 440,016,908.65/22,086.54
6. Step 6: Final answer
   x = 19,922.40