Finding the Fourth Proportional to 21,398.04, 32,095.22 and 8,401.50

Step by Step Solution

1. Step 1: Write the proportion equation
   21,398.04 : 32,095.22 = 8,401.50 : x
2. Step 2: Convert to fraction form
   21,398.04/32,095.22 = 8,401.50/x
3. Step 3: Cross multiply
   21,398.04x = 32,095.22 × 8,401.50
4. Step 4: Simplify right side
   21,398.04x = 269,647,990.83
5. Step 5: Solve for x
   x = 269,647,990.83/21,398.04
6. Step 6: Final answer
   x = 12,601.53