Finding the Fourth Proportional to 16,677.54, 23,023.38 and 12,892.18

Step by Step Solution

1. Step 1: Write the proportion equation
   16,677.54 : 23,023.38 = 12,892.18 : x
2. Step 2: Convert to fraction form
   16,677.54/23,023.38 = 12,892.18/x
3. Step 3: Cross multiply
   16,677.54x = 23,023.38 × 12,892.18
4. Step 4: Simplify right side
   16,677.54x = 296,821,559.17
5. Step 5: Solve for x
   x = 296,821,559.17/16,677.54
6. Step 6: Final answer
   x = 17,797.68