Finding the Fourth Proportional to 12,229.36, 18,342.50 and 3,908.69

Step by Step Solution

1. Step 1: Write the proportion equation
   12,229.36 : 18,342.50 = 3,908.69 : x
2. Step 2: Convert to fraction form
   12,229.36/18,342.50 = 3,908.69/x
3. Step 3: Cross multiply
   12,229.36x = 18,342.50 × 3,908.69
4. Step 4: Simplify right side
   12,229.36x = 71,695,064.38
5. Step 5: Solve for x
   x = 71,695,064.38/12,229.36
6. Step 6: Final answer
   x = 5,862.54