Finding the Fourth Proportional to 21,426.82, 32,161.01 and 10,341.31

Step by Step Solution

1. Step 1: Write the proportion equation
   21,426.82 : 32,161.01 = 10,341.31 : x
2. Step 2: Convert to fraction form
   21,426.82/32,161.01 = 10,341.31/x
3. Step 3: Cross multiply
   21,426.82x = 32,161.01 × 10,341.31
4. Step 4: Simplify right side
   21,426.82x = 332,586,974.32
5. Step 5: Solve for x
   x = 332,586,974.32/21,426.82
6. Step 6: Final answer
   x = 15,521.99