Finding the Fourth Proportional to 16,045.23, 22,142.72 and 8,972.43

Step by Step Solution

1. Step 1: Write the proportion equation
   16,045.23 : 22,142.72 = 8,972.43 : x
2. Step 2: Convert to fraction form
   16,045.23/22,142.72 = 8,972.43/x
3. Step 3: Cross multiply
   16,045.23x = 22,142.72 × 8,972.43
4. Step 4: Simplify right side
   16,045.23x = 198,673,960.35
5. Step 5: Solve for x
   x = 198,673,960.35/16,045.23
6. Step 6: Final answer
   x = 12,382.12