Finding the Fourth Proportional to 21,362.43, 32,022.82 and 8,535.78

Step by Step Solution

1. Step 1: Write the proportion equation
   21,362.43 : 32,022.82 = 8,535.78 : x
2. Step 2: Convert to fraction form
   21,362.43/32,022.82 = 8,535.78/x
3. Step 3: Cross multiply
   21,362.43x = 32,022.82 × 8,535.78
4. Step 4: Simplify right side
   21,362.43x = 273,339,687.78
5. Step 5: Solve for x
   x = 273,339,687.78/21,362.43
6. Step 6: Final answer
   x = 12,795.34