Finding the Fourth Proportional to 21,328.50, 32,004.27 and 10,384.50

Step by Step Solution

1. Step 1: Write the proportion equation
   21,328.50 : 32,004.27 = 10,384.50 : x
2. Step 2: Convert to fraction form
   21,328.50/32,004.27 = 10,384.50/x
3. Step 3: Cross multiply
   21,328.50x = 32,004.27 × 10,384.50
4. Step 4: Simplify right side
   21,328.50x = 332,348,341.82
5. Step 5: Solve for x
   x = 332,348,341.82/21,328.50
6. Step 6: Final answer
   x = 15,582.36