Finding the Fourth Proportional to 21,651.02, 32,424.64 and 13,725.98

Step by Step Solution

1. Step 1: Write the proportion equation
   21,651.02 : 32,424.64 = 13,725.98 : x
2. Step 2: Convert to fraction form
   21,651.02/32,424.64 = 13,725.98/x
3. Step 3: Cross multiply
   21,651.02x = 32,424.64 × 13,725.98
4. Step 4: Simplify right side
   21,651.02x = 445,059,960.15
5. Step 5: Solve for x
   x = 445,059,960.15/21,651.02
6. Step 6: Final answer
   x = 20,556.07