Finding the Fourth Proportional to 21,414.69, 32,077.22 and 13,584.69

Step by Step Solution

1. Step 1: Write the proportion equation
   21,414.69 : 32,077.22 = 13,584.69 : x
2. Step 2: Convert to fraction form
   21,414.69/32,077.22 = 13,584.69/x
3. Step 3: Cross multiply
   21,414.69x = 32,077.22 × 13,584.69
4. Step 4: Simplify right side
   21,414.69x = 435,759,021.84
5. Step 5: Solve for x
   x = 435,759,021.84/21,414.69
6. Step 6: Final answer
   x = 20,348.60