Finding the Fourth Proportional to 21,417, 32,104.17 and 10,320.54

Step by Step Solution

1. Step 1: Write the proportion equation
   21,417 : 32,104.17 = 10,320.54 : x
2. Step 2: Convert to fraction form
   21,417/32,104.17 = 10,320.54/x
3. Step 3: Cross multiply
   21,417x = 32,104.17 × 10,320.54
4. Step 4: Simplify right side
   21,417x = 331,332,370.65
5. Step 5: Solve for x
   x = 331,332,370.65/21,417
6. Step 6: Final answer
   x = 15,470.53