Finding the Fourth Proportional to 21,436.33, 32,159.55 and 8,949.41

Step by Step Solution

1. Step 1: Write the proportion equation
   21,436.33 : 32,159.55 = 8,949.41 : x
2. Step 2: Convert to fraction form
   21,436.33/32,159.55 = 8,949.41/x
3. Step 3: Cross multiply
   21,436.33x = 32,159.55 × 8,949.41
4. Step 4: Simplify right side
   21,436.33x = 287,808,998.37
5. Step 5: Solve for x
   x = 287,808,998.37/21,436.33
6. Step 6: Final answer
   x = 13,426.23