Finding the Fourth Proportional to 16,623.72, 22,766.04 and 16,405.02

Step by Step Solution

1. Step 1: Write the proportion equation
   16,623.72 : 22,766.04 = 16,405.02 : x
2. Step 2: Convert to fraction form
   16,623.72/22,766.04 = 16,405.02/x
3. Step 3: Cross multiply
   16,623.72x = 22,766.04 × 16,405.02
4. Step 4: Simplify right side
   16,623.72x = 373,477,341.52
5. Step 5: Solve for x
   x = 373,477,341.52/16,623.72
6. Step 6: Final answer
   x = 22,466.53