Finding the Fourth Proportional to 21,597, 29,816.82 and 14,157.96

Step by Step Solution

1. Step 1: Write the proportion equation
   21,597 : 29,816.82 = 14,157.96 : x
2. Step 2: Convert to fraction form
   21,597/29,816.82 = 14,157.96/x
3. Step 3: Cross multiply
   21,597x = 29,816.82 × 14,157.96
4. Step 4: Simplify right side
   21,597x = 422,145,344.89
5. Step 5: Solve for x
   x = 422,145,344.89/21,597
6. Step 6: Final answer
   x = 19,546.48