Finding the Fourth Proportional to 21,801.72, 32,423.91 and 21,568.44

Step by Step Solution

1. Step 1: Write the proportion equation
   21,801.72 : 32,423.91 = 21,568.44 : x
2. Step 2: Convert to fraction form
   21,801.72/32,423.91 = 21,568.44/x
3. Step 3: Cross multiply
   21,801.72x = 32,423.91 × 21,568.44
4. Step 4: Simplify right side
   21,801.72x = 699,333,157.40
5. Step 5: Solve for x
   x = 699,333,157.40/21,801.72
6. Step 6: Final answer
   x = 32,076.97