Finding the Fourth Proportional to 16,647.72, 22,798.92 and 16,429.02

Step by Step Solution

1. Step 1: Write the proportion equation
   16,647.72 : 22,798.92 = 16,429.02 : x
2. Step 2: Convert to fraction form
   16,647.72/22,798.92 = 16,429.02/x
3. Step 3: Cross multiply
   16,647.72x = 22,798.92 × 16,429.02
4. Step 4: Simplify right side
   16,647.72x = 374,563,912.66
5. Step 5: Solve for x
   x = 374,563,912.66/16,647.72
6. Step 6: Final answer
   x = 22,499.41