Finding the Fourth Proportional to 21,446.84, 29,596.59 and 12,015.41

Step by Step Solution

1. Step 1: Write the proportion equation
   21,446.84 : 29,596.59 = 12,015.41 : x
2. Step 2: Convert to fraction form
   21,446.84/29,596.59 = 12,015.41/x
3. Step 3: Cross multiply
   21,446.84x = 29,596.59 × 12,015.41
4. Step 4: Simplify right side
   21,446.84x = 355,615,015.47
5. Step 5: Solve for x
   x = 355,615,015.47/21,446.84
6. Step 6: Final answer
   x = 16,581.23