Finding the Fourth Proportional to 16,566.56, 22,794.72 and 16,172.72

Step by Step Solution

1. Step 1: Write the proportion equation
   16,566.56 : 22,794.72 = 16,172.72 : x
2. Step 2: Convert to fraction form
   16,566.56/22,794.72 = 16,172.72/x
3. Step 3: Cross multiply
   16,566.56x = 22,794.72 × 16,172.72
4. Step 4: Simplify right side
   16,566.56x = 368,652,624.04
5. Step 5: Solve for x
   x = 368,652,624.04/16,566.56
6. Step 6: Final answer
   x = 22,252.82