Finding the Fourth Proportional to 12,167.89, 18,251.62 and 3,402.69

Step by Step Solution

1. Step 1: Write the proportion equation
   12,167.89 : 18,251.62 = 3,402.69 : x
2. Step 2: Convert to fraction form
   12,167.89/18,251.62 = 3,402.69/x
3. Step 3: Cross multiply
   12,167.89x = 18,251.62 × 3,402.69
4. Step 4: Simplify right side
   12,167.89x = 62,104,604.86
5. Step 5: Solve for x
   x = 62,104,604.86/12,167.89
6. Step 6: Final answer
   x = 5,103.97