Finding the Fourth Proportional to 12,394.50, 18,606.33 and 5,469

Step by Step Solution

1. Step 1: Write the proportion equation
   12,394.50 : 18,606.33 = 5,469 : x
2. Step 2: Convert to fraction form
   12,394.50/18,606.33 = 5,469/x
3. Step 3: Cross multiply
   12,394.50x = 18,606.33 × 5,469
4. Step 4: Simplify right side
   12,394.50x = 101,758,018.77
5. Step 5: Solve for x
   x = 101,758,018.77/12,394.50
6. Step 6: Final answer
   x = 8,209.93