Finding the Fourth Proportional to 16,976.72, 23,451.50 and 16,146.35

Step by Step Solution

1. Step 1: Write the proportion equation
   16,976.72 : 23,451.50 = 16,146.35 : x
2. Step 2: Convert to fraction form
   16,976.72/23,451.50 = 16,146.35/x
3. Step 3: Cross multiply
   16,976.72x = 23,451.50 × 16,146.35
4. Step 4: Simplify right side
   16,976.72x = 378,655,929.04
5. Step 5: Solve for x
   x = 378,655,929.04/16,976.72
6. Step 6: Final answer
   x = 22,304.43