Finding the Fourth Proportional to 21,704.16, 32,512.56 and 16,448.16

Step by Step Solution

1. Step 1: Write the proportion equation
   21,704.16 : 32,512.56 = 16,448.16 : x
2. Step 2: Convert to fraction form
   21,704.16/32,512.56 = 16,448.16/x
3. Step 3: Cross multiply
   21,704.16x = 32,512.56 × 16,448.16
4. Step 4: Simplify right side
   21,704.16x = 534,771,788.89
5. Step 5: Solve for x
   x = 534,771,788.89/21,704.16
6. Step 6: Final answer
   x = 24,639.14