Finding the Fourth Proportional to 21,759.33, 32,653.59 and 13,973.61

Step by Step Solution

1. Step 1: Write the proportion equation
   21,759.33 : 32,653.59 = 13,973.61 : x
2. Step 2: Convert to fraction form
   21,759.33/32,653.59 = 13,973.61/x
3. Step 3: Cross multiply
   21,759.33x = 32,653.59 × 13,973.61
4. Step 4: Simplify right side
   21,759.33x = 456,288,531.76
5. Step 5: Solve for x
   x = 456,288,531.76/21,759.33
6. Step 6: Final answer
   x = 20,969.79