Finding the Fourth Proportional to 16,424.48, 22,814.71 and 16,170.10

Step by Step Solution

1. Step 1: Write the proportion equation
   16,424.48 : 22,814.71 = 16,170.10 : x
2. Step 2: Convert to fraction form
   16,424.48/22,814.71 = 16,170.10/x
3. Step 3: Cross multiply
   16,424.48x = 22,814.71 × 16,170.10
4. Step 4: Simplify right side
   16,424.48x = 368,916,142.17
5. Step 5: Solve for x
   x = 368,916,142.17/16,424.48
6. Step 6: Final answer
   x = 22,461.36