Finding the Fourth Proportional to 12,465.72, 17,167.69 and 12,193.56

Step by Step Solution

1. Step 1: Write the proportion equation
   12,465.72 : 17,167.69 = 12,193.56 : x
2. Step 2: Convert to fraction form
   12,465.72/17,167.69 = 12,193.56/x
3. Step 3: Cross multiply
   12,465.72x = 17,167.69 × 12,193.56
4. Step 4: Simplify right side
   12,465.72x = 209,335,258.08
5. Step 5: Solve for x
   x = 209,335,258.08/12,465.72
6. Step 6: Final answer
   x = 16,792.87