Finding the Fourth Proportional to 21,711.51, 32,556.33 and 10,601.55

Step by Step Solution

1. Step 1: Write the proportion equation
   21,711.51 : 32,556.33 = 10,601.55 : x
2. Step 2: Convert to fraction form
   21,711.51/32,556.33 = 10,601.55/x
3. Step 3: Cross multiply
   21,711.51x = 32,556.33 × 10,601.55
4. Step 4: Simplify right side
   21,711.51x = 345,147,560.31
5. Step 5: Solve for x
   x = 345,147,560.31/21,711.51
6. Step 6: Final answer
   x = 15,896.99