Finding the Fourth Proportional to 21,662.10, 29,884.82 and 16,617.42

Step by Step Solution

1. Step 1: Write the proportion equation
   21,662.10 : 29,884.82 = 16,617.42 : x
2. Step 2: Convert to fraction form
   21,662.10/29,884.82 = 16,617.42/x
3. Step 3: Cross multiply
   21,662.10x = 29,884.82 × 16,617.42
4. Step 4: Simplify right side
   21,662.10x = 496,608,522.48
5. Step 5: Solve for x
   x = 496,608,522.48/21,662.10
6. Step 6: Final answer
   x = 22,925.23