Finding the Fourth Proportional to 21,725.28, 32,563.89 and 14,219.82

Step by Step Solution

1. Step 1: Write the proportion equation
   21,725.28 : 32,563.89 = 14,219.82 : x
2. Step 2: Convert to fraction form
   21,725.28/32,563.89 = 14,219.82/x
3. Step 3: Cross multiply
   21,725.28x = 32,563.89 × 14,219.82
4. Step 4: Simplify right side
   21,725.28x = 463,052,654.30
5. Step 5: Solve for x
   x = 463,052,654.30/21,725.28
6. Step 6: Final answer
   x = 21,314.00