Finding the Fourth Proportional to 21,496.29, 29,679.34 and 16,451.50

Step by Step Solution

1. Step 1: Write the proportion equation
   21,496.29 : 29,679.34 = 16,451.50 : x
2. Step 2: Convert to fraction form
   21,496.29/29,679.34 = 16,451.50/x
3. Step 3: Cross multiply
   21,496.29x = 29,679.34 × 16,451.50
4. Step 4: Simplify right side
   21,496.29x = 488,269,662.01
5. Step 5: Solve for x
   x = 488,269,662.01/21,496.29
6. Step 6: Final answer
   x = 22,714.14