Finding the Fourth Proportional to 16,646.72, 22,797.55 and 16,428.02

Step by Step Solution

1. Step 1: Write the proportion equation
   16,646.72 : 22,797.55 = 16,428.02 : x
2. Step 2: Convert to fraction form
   16,646.72/22,797.55 = 16,428.02/x
3. Step 3: Cross multiply
   16,646.72x = 22,797.55 × 16,428.02
4. Step 4: Simplify right side
   16,646.72x = 374,518,607.35
5. Step 5: Solve for x
   x = 374,518,607.35/16,646.72
6. Step 6: Final answer
   x = 22,498.04