Finding the Fourth Proportional to 12,186.72, 18,265.37 and 5,937.38

Step by Step Solution

1. Step 1: Write the proportion equation
   12,186.72 : 18,265.37 = 5,937.38 : x
2. Step 2: Convert to fraction form
   12,186.72/18,265.37 = 5,937.38/x
3. Step 3: Cross multiply
   12,186.72x = 18,265.37 × 5,937.38
4. Step 4: Simplify right side
   12,186.72x = 108,448,321.52
5. Step 5: Solve for x
   x = 108,448,321.52/12,186.72
6. Step 6: Final answer
   x = 8,898.89