Finding the Fourth Proportional to 16,457.18, 22,694.32 and 12,433.91

Step by Step Solution

1. Step 1: Write the proportion equation
   16,457.18 : 22,694.32 = 12,433.91 : x
2. Step 2: Convert to fraction form
   16,457.18/22,694.32 = 12,433.91/x
3. Step 3: Cross multiply
   16,457.18x = 22,694.32 × 12,433.91
4. Step 4: Simplify right side
   16,457.18x = 282,179,132.39
5. Step 5: Solve for x
   x = 282,179,132.39/16,457.18
6. Step 6: Final answer
   x = 17,146.26