Finding the Fourth Proportional to 21,789.37, 30,065.33 and 14,629.68

Step by Step Solution

1. Step 1: Write the proportion equation
   21,789.37 : 30,065.33 = 14,629.68 : x
2. Step 2: Convert to fraction form
   21,789.37/30,065.33 = 14,629.68/x
3. Step 3: Cross multiply
   21,789.37x = 30,065.33 × 14,629.68
4. Step 4: Simplify right side
   21,789.37x = 439,845,933.52
5. Step 5: Solve for x
   x = 439,845,933.52/21,789.37
6. Step 6: Final answer
   x = 20,186.27