Finding the Fourth Proportional to 16,606.45, 22,870.25 and 16,243.57

Step by Step Solution

1. Step 1: Write the proportion equation
   16,606.45 : 22,870.25 = 16,243.57 : x
2. Step 2: Convert to fraction form
   16,606.45/22,870.25 = 16,243.57/x
3. Step 3: Cross multiply
   16,606.45x = 22,870.25 × 16,243.57
4. Step 4: Simplify right side
   16,606.45x = 371,494,425.57
5. Step 5: Solve for x
   x = 371,494,425.57/16,606.45
6. Step 6: Final answer
   x = 22,370.49