Finding the Fourth Proportional to 21,594.42, 29,799.15 and 12,162.38

Step by Step Solution

1. Step 1: Write the proportion equation
   21,594.42 : 29,799.15 = 12,162.38 : x
2. Step 2: Convert to fraction form
   21,594.42/29,799.15 = 12,162.38/x
3. Step 3: Cross multiply
   21,594.42x = 29,799.15 × 12,162.38
4. Step 4: Simplify right side
   21,594.42x = 362,428,436.98
5. Step 5: Solve for x
   x = 362,428,436.98/21,594.42
6. Step 6: Final answer
   x = 16,783.43