Finding the Fourth Proportional to 12,464.72, 17,166.31 and 12,192.56

Step by Step Solution

1. Step 1: Write the proportion equation
   12,464.72 : 17,166.31 = 12,192.56 : x
2. Step 2: Convert to fraction form
   12,464.72/17,166.31 = 12,192.56/x
3. Step 3: Cross multiply
   12,464.72x = 17,166.31 × 12,192.56
4. Step 4: Simplify right side
   12,464.72x = 209,301,178.82
5. Step 5: Solve for x
   x = 209,301,178.82/12,464.72
6. Step 6: Final answer
   x = 16,791.49